21453810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102161}}^1$

素因数の和:102178

約数の個数: 32

約数和(自身を含む): 58845312

約数和(自身を除く): 37391502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102161, 204322, 306483, 510805, 612966, 715127, 1021610, 1430254, 1532415, 2145381, 3064830, 3575635, 4290762, 7151270, 10726905, 21453810]

約数ペア:

[(1, 21453810), (2, 10726905), (3, 7151270), (5, 4290762), (6, 3575635), (7, 3064830), (10, 2145381), (14, 1532415), (15, 1430254), (21, 1021610), (30, 715127), (35, 612966), (42, 510805), (70, 306483), (105, 204322), (210, 102161)]