21419802

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:6992

約数の個数: 40

約数和(自身を含む): 50529600

約数和(自身を除く): 29109798

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6959, 13918, 20877, 41754, 62631, 125262, 132221, 187893, 264442, 375786, 396663, 563679, 793326, 1127358, 1189989, 2379978, 3569967, 7139934, 10709901, 21419802]

約数ペア:

[(1, 21419802), (2, 10709901), (3, 7139934), (6, 3569967), (9, 2379978), (18, 1189989), (19, 1127358), (27, 793326), (38, 563679), (54, 396663), (57, 375786), (81, 264442), (114, 187893), (162, 132221), (171, 125262), (342, 62631), (513, 41754), (1026, 20877), (1539, 13918), (3078, 6959)]