21237558160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{43541}}^1$

素因数の和:43641

約数の個数: 160

約数和(自身を含む): 61680552192

約数和(自身を除く): 40442994032

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 182, 208, 260, 268, 280, 335, 364, 455, 469, 520, 536, 560, 670, 728, 871, 910, 938, 1040, 1072, 1340, 1456, 1742, 1820, 1876, 2345, 2680, 3484, 3640, 3752, 4355, 4690, 5360, 6097, 6968, 7280, 7504, 8710, 9380, 12194, 13936, 17420, 18760, 24388, 30485, 34840, 37520, 43541, 48776, 60970, 69680, 87082, 97552, 121940, 174164, 217705, 243880, 304787, 348328, 435410, 487760, 566033, 609574, 696656, 870820, 1132066, 1219148, 1523935, 1741640, 2264132, 2438296, 2830165, 2917247, 3047870, 3483280, 3962231, 4528264, 4876592, 5660330, 5834494, 6095740, 7924462, 9056528, 11320660, 11668988, 12191480, 14586235, 15848924, 19811155, 20420729, 22641320, 23337976, 24382960, 29172470, 31697848, 37924211, 39622310, 40841458, 45282640, 46675952, 58344940, 63395696, 75848422, 79244620, 81682916, 102103645, 116689880, 151696844, 158489240, 163365832, 189621055, 204207290, 233379760, 265469477, 303393688, 316978480, 326731664, 379242110, 408414580, 530938954, 606787376, 758484220, 816829160, 1061877908, 1327347385, 1516968440, 1633658320, 2123755816, 2654694770, 3033936880, 4247511632, 5309389540, 10618779080, 21237558160]

約数ペア:

[(1, 21237558160), (2, 10618779080), (4, 5309389540), (5, 4247511632), (7, 3033936880), (8, 2654694770), (10, 2123755816), (13, 1633658320), (14, 1516968440), (16, 1327347385), (20, 1061877908), (26, 816829160), (28, 758484220), (35, 606787376), (40, 530938954), (52, 408414580), (56, 379242110), (65, 326731664), (67, 316978480), (70, 303393688), (80, 265469477), (91, 233379760), (104, 204207290), (112, 189621055), (130, 163365832), (134, 158489240), (140, 151696844), (182, 116689880), (208, 102103645), (260, 81682916), (268, 79244620), (280, 75848422), (335, 63395696), (364, 58344940), (455, 46675952), (469, 45282640), (520, 40841458), (536, 39622310), (560, 37924211), (670, 31697848), (728, 29172470), (871, 24382960), (910, 23337976), (938, 22641320), (1040, 20420729), (1072, 19811155), (1340, 15848924), (1456, 14586235), (1742, 12191480), (1820, 11668988), (1876, 11320660), (2345, 9056528), (2680, 7924462), (3484, 6095740), (3640, 5834494), (3752, 5660330), (4355, 4876592), (4690, 4528264), (5360, 3962231), (6097, 3483280), (6968, 3047870), (7280, 2917247), (7504, 2830165), (8710, 2438296), (9380, 2264132), (12194, 1741640), (13936, 1523935), (17420, 1219148), (18760, 1132066), (24388, 870820), (30485, 696656), (34840, 609574), (37520, 566033), (43541, 487760), (48776, 435410), (60970, 348328), (69680, 304787), (87082, 243880), (97552, 217705), (121940, 174164)]