21091607940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1\times {\mathrm{1307}}^1$

素因数の和:2566

約数の個数: 192

約数和(自身を含む): 67447344384

約数和(自身を除く): 46355736444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1217, 1307, 1326, 2210, 2434, 2614, 2652, 3315, 3651, 3921, 4420, 4868, 5228, 6085, 6535, 6630, 7302, 7842, 12170, 13070, 13260, 14604, 15684, 15821, 16991, 18255, 19605, 20689, 22219, 24340, 26140, 31642, 33982, 36510, 39210, 41378, 44438, 47463, 50973, 62067, 63284, 66657, 67964, 73020, 78420, 79105, 82756, 84955, 88876, 94926, 101946, 103445, 111095, 124134, 133314, 158210, 169910, 189852, 203892, 206890, 222190, 237315, 248268, 254865, 266628, 268957, 288847, 310335, 316420, 333285, 339820, 413780, 444380, 474630, 509730, 537914, 577694, 620670, 666570, 806871, 866541, 949260, 1019460, 1075828, 1155388, 1241340, 1333140, 1344785, 1444235, 1590619, 1613742, 1733082, 2689570, 2888470, 3181238, 3227484, 3466164, 4034355, 4332705, 4771857, 5379140, 5776940, 6362476, 7953095, 8068710, 8665410, 9543714, 15906190, 16137420, 17330820, 19087428, 20678047, 23859285, 27040523, 31812380, 41356094, 47718570, 54081046, 62034141, 81121569, 82712188, 95437140, 103390235, 108162092, 124068282, 135202615, 162243138, 206780470, 248136564, 270405230, 310170705, 324486276, 351526799, 405607845, 413560940, 540810460, 620341410, 703053598, 811215690, 1054580397, 1240682820, 1406107196, 1622431380, 1757633995, 2109160794, 3515267990, 4218321588, 5272901985, 7030535980, 10545803970, 21091607940]

約数ペア:

[(1, 21091607940), (2, 10545803970), (3, 7030535980), (4, 5272901985), (5, 4218321588), (6, 3515267990), (10, 2109160794), (12, 1757633995), (13, 1622431380), (15, 1406107196), (17, 1240682820), (20, 1054580397), (26, 811215690), (30, 703053598), (34, 620341410), (39, 540810460), (51, 413560940), (52, 405607845), (60, 351526799), (65, 324486276), (68, 310170705), (78, 270405230), (85, 248136564), (102, 206780470), (130, 162243138), (156, 135202615), (170, 124068282), (195, 108162092), (204, 103390235), (221, 95437140), (255, 82712188), (260, 81121569), (340, 62034141), (390, 54081046), (442, 47718570), (510, 41356094), (663, 31812380), (780, 27040523), (884, 23859285), (1020, 20678047), (1105, 19087428), (1217, 17330820), (1307, 16137420), (1326, 15906190), (2210, 9543714), (2434, 8665410), (2614, 8068710), (2652, 7953095), (3315, 6362476), (3651, 5776940), (3921, 5379140), (4420, 4771857), (4868, 4332705), (5228, 4034355), (6085, 3466164), (6535, 3227484), (6630, 3181238), (7302, 2888470), (7842, 2689570), (12170, 1733082), (13070, 1613742), (13260, 1590619), (14604, 1444235), (15684, 1344785), (15821, 1333140), (16991, 1241340), (18255, 1155388), (19605, 1075828), (20689, 1019460), (22219, 949260), (24340, 866541), (26140, 806871), (31642, 666570), (33982, 620670), (36510, 577694), (39210, 537914), (41378, 509730), (44438, 474630), (47463, 444380), (50973, 413780), (62067, 339820), (63284, 333285), (66657, 316420), (67964, 310335), (73020, 288847), (78420, 268957), (79105, 266628), (82756, 254865), (84955, 248268), (88876, 237315), (94926, 222190), (101946, 206890), (103445, 203892), (111095, 189852), (124134, 169910), (133314, 158210)]