21943670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 48386160

約数和(自身を除く): 26442490

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2357, 4655, 4714, 9310, 11785, 16499, 23570, 32998, 44783, 82495, 89566, 115493, 164990, 223915, 230986, 313481, 447830, 577465, 626962, 1154930, 1567405, 2194367, 3134810, 4388734, 10971835, 21943670]

約数ペア:

[(1, 21943670), (2, 10971835), (5, 4388734), (7, 3134810), (10, 2194367), (14, 1567405), (19, 1154930), (35, 626962), (38, 577465), (49, 447830), (70, 313481), (95, 230986), (98, 223915), (133, 164990), (190, 115493), (245, 89566), (266, 82495), (490, 44783), (665, 32998), (931, 23570), (1330, 16499), (1862, 11785), (2357, 9310), (4655, 4714)]