21228488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 41481720

約数和(自身を除く): 20253232

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 1061, 2122, 2501, 4244, 5002, 8488, 10004, 20008, 43501, 64721, 87002, 129442, 174004, 258884, 348008, 517768, 2653561, 5307122, 10614244, 21228488]

約数ペア:

[(1, 21228488), (2, 10614244), (4, 5307122), (8, 2653561), (41, 517768), (61, 348008), (82, 258884), (122, 174004), (164, 129442), (244, 87002), (328, 64721), (488, 43501), (1061, 20008), (2122, 10004), (2501, 8488), (4244, 5002)]