21018889458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{15233}}^1$

素因数の和:15528

約数の個数: 96

約数和(自身を含む): 53385785856

約数和(自身を除く): 32366896398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 233, 282, 329, 423, 466, 658, 699, 846, 987, 1398, 1631, 1974, 2097, 2961, 3262, 4194, 4893, 5922, 9786, 10951, 14679, 15233, 21902, 29358, 30466, 32853, 45699, 65706, 76657, 91398, 98559, 106631, 137097, 153314, 197118, 213262, 229971, 274194, 319893, 459942, 639786, 689913, 715951, 959679, 1379826, 1431902, 1919358, 2147853, 3549289, 4295706, 5011657, 6443559, 7098578, 10023314, 10647867, 12887118, 15034971, 21295734, 24845023, 30069942, 31943601, 45104913, 49690046, 63887202, 74535069, 90209826, 149070138, 166816583, 223605207, 333633166, 447210414, 500449749, 1000899498, 1167716081, 1501349247, 2335432162, 3002698494, 3503148243, 7006296486, 10509444729, 21018889458]

約数ペア:

[(1, 21018889458), (2, 10509444729), (3, 7006296486), (6, 3503148243), (7, 3002698494), (9, 2335432162), (14, 1501349247), (18, 1167716081), (21, 1000899498), (42, 500449749), (47, 447210414), (63, 333633166), (94, 223605207), (126, 166816583), (141, 149070138), (233, 90209826), (282, 74535069), (329, 63887202), (423, 49690046), (466, 45104913), (658, 31943601), (699, 30069942), (846, 24845023), (987, 21295734), (1398, 15034971), (1631, 12887118), (1974, 10647867), (2097, 10023314), (2961, 7098578), (3262, 6443559), (4194, 5011657), (4893, 4295706), (5922, 3549289), (9786, 2147853), (10951, 1919358), (14679, 1431902), (15233, 1379826), (21902, 959679), (29358, 715951), (30466, 689913), (32853, 639786), (45699, 459942), (65706, 319893), (76657, 274194), (91398, 229971), (98559, 213262), (106631, 197118), (137097, 153314)]