21409998

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 45513600

約数和(自身を除く): 24103602

約数列:

[1, 2, 3, 6, 19, 38, 57, 109, 114, 218, 327, 654, 1723, 2071, 3446, 4142, 5169, 6213, 10338, 12426, 32737, 65474, 98211, 187807, 196422, 375614, 563421, 1126842, 3568333, 7136666, 10704999, 21409998]

約数ペア:

[(1, 21409998), (2, 10704999), (3, 7136666), (6, 3568333), (19, 1126842), (38, 563421), (57, 375614), (109, 196422), (114, 187807), (218, 98211), (327, 65474), (654, 32737), (1723, 12426), (2071, 10338), (3446, 6213), (4142, 5169)]