21148696

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20582504

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1609, 1643, 3218, 3286, 6436, 6572, 12872, 13144, 49879, 85277, 99758, 170554, 199516, 341108, 399032, 682216, 2643587, 5287174, 10574348, 21148696]

約数ペア:

[(1, 21148696), (2, 10574348), (4, 5287174), (8, 2643587), (31, 682216), (53, 399032), (62, 341108), (106, 199516), (124, 170554), (212, 99758), (248, 85277), (424, 49879), (1609, 13144), (1643, 12872), (3218, 6572), (3286, 6436)]