21132036

素因数分解:

$2^2\times 3^3\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 33904764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 389, 503, 778, 1006, 1167, 1509, 1556, 2012, 2334, 3018, 3501, 4527, 4668, 6036, 7002, 9054, 10503, 13581, 14004, 18108, 21006, 27162, 42012, 54324, 195667, 391334, 587001, 782668, 1174002, 1761003, 2348004, 3522006, 5283009, 7044012, 10566018, 21132036]

約数ペア:

[(1, 21132036), (2, 10566018), (3, 7044012), (4, 5283009), (6, 3522006), (9, 2348004), (12, 1761003), (18, 1174002), (27, 782668), (36, 587001), (54, 391334), (108, 195667), (389, 54324), (503, 42012), (778, 27162), (1006, 21006), (1167, 18108), (1509, 14004), (1556, 13581), (2012, 10503), (2334, 9054), (3018, 7002), (3501, 6036), (4527, 4668)]