21770580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 70096320

約数和(自身を除く): 48325740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 113, 114, 130, 156, 169, 190, 195, 226, 228, 247, 260, 285, 338, 339, 380, 390, 452, 494, 507, 565, 570, 676, 678, 741, 780, 845, 988, 1014, 1130, 1140, 1235, 1356, 1469, 1482, 1690, 1695, 2028, 2147, 2260, 2470, 2535, 2938, 2964, 3211, 3380, 3390, 3705, 4294, 4407, 4940, 5070, 5876, 6422, 6441, 6780, 7345, 7410, 8588, 8814, 9633, 10140, 10735, 12844, 12882, 14690, 14820, 16055, 17628, 19097, 19266, 21470, 22035, 25764, 27911, 29380, 32110, 32205, 38194, 38532, 42940, 44070, 48165, 55822, 57291, 64220, 64410, 76388, 83733, 88140, 95485, 96330, 111644, 114582, 128820, 139555, 167466, 190970, 192660, 229164, 279110, 286455, 334932, 362843, 381940, 418665, 558220, 572910, 725686, 837330, 1088529, 1145820, 1451372, 1674660, 1814215, 2177058, 3628430, 4354116, 5442645, 7256860, 10885290, 21770580]

約数ペア:

[(1, 21770580), (2, 10885290), (3, 7256860), (4, 5442645), (5, 4354116), (6, 3628430), (10, 2177058), (12, 1814215), (13, 1674660), (15, 1451372), (19, 1145820), (20, 1088529), (26, 837330), (30, 725686), (38, 572910), (39, 558220), (52, 418665), (57, 381940), (60, 362843), (65, 334932), (76, 286455), (78, 279110), (95, 229164), (113, 192660), (114, 190970), (130, 167466), (156, 139555), (169, 128820), (190, 114582), (195, 111644), (226, 96330), (228, 95485), (247, 88140), (260, 83733), (285, 76388), (338, 64410), (339, 64220), (380, 57291), (390, 55822), (452, 48165), (494, 44070), (507, 42940), (565, 38532), (570, 38194), (676, 32205), (678, 32110), (741, 29380), (780, 27911), (845, 25764), (988, 22035), (1014, 21470), (1130, 19266), (1140, 19097), (1235, 17628), (1356, 16055), (1469, 14820), (1482, 14690), (1690, 12882), (1695, 12844), (2028, 10735), (2147, 10140), (2260, 9633), (2470, 8814), (2535, 8588), (2938, 7410), (2964, 7345), (3211, 6780), (3380, 6441), (3390, 6422), (3705, 5876), (4294, 5070), (4407, 4940)]