21901750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 46230912

約数和(自身を除く): 24329162

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 125, 130, 230, 250, 293, 299, 325, 575, 586, 598, 650, 1150, 1465, 1495, 1625, 2875, 2930, 2990, 3250, 3809, 5750, 6739, 7325, 7475, 7618, 13478, 14650, 14950, 19045, 33695, 36625, 37375, 38090, 67390, 73250, 74750, 87607, 95225, 168475, 175214, 190450, 336950, 438035, 476125, 842375, 876070, 952250, 1684750, 2190175, 4380350, 10950875, 21901750]

約数ペア:

[(1, 21901750), (2, 10950875), (5, 4380350), (10, 2190175), (13, 1684750), (23, 952250), (25, 876070), (26, 842375), (46, 476125), (50, 438035), (65, 336950), (115, 190450), (125, 175214), (130, 168475), (230, 95225), (250, 87607), (293, 74750), (299, 73250), (325, 67390), (575, 38090), (586, 37375), (598, 36625), (650, 33695), (1150, 19045), (1465, 14950), (1495, 14650), (1625, 13478), (2875, 7618), (2930, 7475), (2990, 7325), (3250, 6739), (3809, 5750)]