21595440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 72852480

約数和(自身を除く): 51257040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 67, 68, 79, 80, 85, 102, 120, 134, 136, 158, 170, 201, 204, 237, 240, 255, 268, 272, 316, 335, 340, 395, 402, 408, 474, 510, 536, 632, 670, 680, 790, 804, 816, 948, 1005, 1020, 1072, 1139, 1185, 1264, 1340, 1343, 1360, 1580, 1608, 1896, 2010, 2040, 2278, 2370, 2680, 2686, 3160, 3216, 3417, 3792, 4020, 4029, 4080, 4556, 4740, 5293, 5360, 5372, 5695, 6320, 6715, 6834, 8040, 8058, 9112, 9480, 10586, 10744, 11390, 13430, 13668, 15879, 16080, 16116, 17085, 18224, 18960, 20145, 21172, 21488, 22780, 26465, 26860, 27336, 31758, 32232, 34170, 40290, 42344, 45560, 52930, 53720, 54672, 63516, 64464, 68340, 79395, 80580, 84688, 89981, 91120, 105860, 107440, 127032, 136680, 158790, 161160, 179962, 211720, 254064, 269943, 273360, 317580, 322320, 359924, 423440, 449905, 539886, 635160, 719848, 899810, 1079772, 1270320, 1349715, 1439696, 1799620, 2159544, 2699430, 3599240, 4319088, 5398860, 7198480, 10797720, 21595440]

約数ペア:

[(1, 21595440), (2, 10797720), (3, 7198480), (4, 5398860), (5, 4319088), (6, 3599240), (8, 2699430), (10, 2159544), (12, 1799620), (15, 1439696), (16, 1349715), (17, 1270320), (20, 1079772), (24, 899810), (30, 719848), (34, 635160), (40, 539886), (48, 449905), (51, 423440), (60, 359924), (67, 322320), (68, 317580), (79, 273360), (80, 269943), (85, 254064), (102, 211720), (120, 179962), (134, 161160), (136, 158790), (158, 136680), (170, 127032), (201, 107440), (204, 105860), (237, 91120), (240, 89981), (255, 84688), (268, 80580), (272, 79395), (316, 68340), (335, 64464), (340, 63516), (395, 54672), (402, 53720), (408, 52930), (474, 45560), (510, 42344), (536, 40290), (632, 34170), (670, 32232), (680, 31758), (790, 27336), (804, 26860), (816, 26465), (948, 22780), (1005, 21488), (1020, 21172), (1072, 20145), (1139, 18960), (1185, 18224), (1264, 17085), (1340, 16116), (1343, 16080), (1360, 15879), (1580, 13668), (1608, 13430), (1896, 11390), (2010, 10744), (2040, 10586), (2278, 9480), (2370, 9112), (2680, 8058), (2686, 8040), (3160, 6834), (3216, 6715), (3417, 6320), (3792, 5695), (4020, 5372), (4029, 5360), (4080, 5293), (4556, 4740)]