21314670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 59609088

約数和(自身を除く): 38294418

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 41, 43, 62, 65, 78, 82, 86, 93, 123, 129, 130, 155, 186, 195, 205, 215, 246, 258, 310, 390, 403, 410, 430, 465, 533, 559, 615, 645, 806, 930, 1066, 1118, 1209, 1230, 1271, 1290, 1333, 1599, 1677, 1763, 2015, 2418, 2542, 2665, 2666, 2795, 3198, 3354, 3526, 3813, 3999, 4030, 5289, 5330, 5590, 6045, 6355, 6665, 7626, 7995, 7998, 8385, 8815, 10578, 12090, 12710, 13330, 15990, 16523, 16770, 17329, 17630, 19065, 19995, 22919, 26445, 33046, 34658, 38130, 39990, 45838, 49569, 51987, 52890, 54653, 68757, 82615, 86645, 99138, 103974, 109306, 114595, 137514, 163959, 165230, 173290, 229190, 247845, 259935, 273265, 327918, 343785, 495690, 519870, 546530, 687570, 710489, 819795, 1420978, 1639590, 2131467, 3552445, 4262934, 7104890, 10657335, 21314670]

約数ペア:

[(1, 21314670), (2, 10657335), (3, 7104890), (5, 4262934), (6, 3552445), (10, 2131467), (13, 1639590), (15, 1420978), (26, 819795), (30, 710489), (31, 687570), (39, 546530), (41, 519870), (43, 495690), (62, 343785), (65, 327918), (78, 273265), (82, 259935), (86, 247845), (93, 229190), (123, 173290), (129, 165230), (130, 163959), (155, 137514), (186, 114595), (195, 109306), (205, 103974), (215, 99138), (246, 86645), (258, 82615), (310, 68757), (390, 54653), (403, 52890), (410, 51987), (430, 49569), (465, 45838), (533, 39990), (559, 38130), (615, 34658), (645, 33046), (806, 26445), (930, 22919), (1066, 19995), (1118, 19065), (1209, 17630), (1230, 17329), (1271, 16770), (1290, 16523), (1333, 15990), (1599, 13330), (1677, 12710), (1763, 12090), (2015, 10578), (2418, 8815), (2542, 8385), (2665, 7998), (2666, 7995), (2795, 7626), (3198, 6665), (3354, 6355), (3526, 6045), (3813, 5590), (3999, 5330), (4030, 5289)]