213479910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{338857}}^1$

素因数の和:338877

約数の個数: 48

約数和(自身を含む): 634342176

約数和(自身を除く): 420862266

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 338857, 677714, 1016571, 1694285, 2033142, 2371999, 3049713, 3388570, 4743998, 5082855, 6099426, 7115997, 10165710, 11859995, 14231994, 15248565, 21347991, 23719990, 30497130, 35579985, 42695982, 71159970, 106739955, 213479910]

約数ペア:

[(1, 213479910), (2, 106739955), (3, 71159970), (5, 42695982), (6, 35579985), (7, 30497130), (9, 23719990), (10, 21347991), (14, 15248565), (15, 14231994), (18, 11859995), (21, 10165710), (30, 7115997), (35, 6099426), (42, 5082855), (45, 4743998), (63, 3388570), (70, 3049713), (90, 2371999), (105, 2033142), (126, 1694285), (210, 1016571), (315, 677714), (630, 338857)]