21915693810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{352399}}^1$

素因数の和:353103

約数の個数: 48

約数和(自身を含む): 57063427200

約数和(自身を除く): 35147733390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 691, 1382, 2073, 3455, 4146, 6219, 6910, 10365, 12438, 20730, 31095, 62190, 352399, 704798, 1057197, 1761995, 2114394, 3171591, 3523990, 5285985, 6343182, 10571970, 15857955, 31715910, 243507709, 487015418, 730523127, 1217538545, 1461046254, 2191569381, 2435077090, 3652615635, 4383138762, 7305231270, 10957846905, 21915693810]

約数ペア:

[(1, 21915693810), (2, 10957846905), (3, 7305231270), (5, 4383138762), (6, 3652615635), (9, 2435077090), (10, 2191569381), (15, 1461046254), (18, 1217538545), (30, 730523127), (45, 487015418), (90, 243507709), (691, 31715910), (1382, 15857955), (2073, 10571970), (3455, 6343182), (4146, 5285985), (6219, 3523990), (6910, 3171591), (10365, 2114394), (12438, 1761995), (20730, 1057197), (31095, 704798), (62190, 352399)]