21346128

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:832

約数の個数: 60

約数和(自身を含む): 60069568

約数和(自身を除く): 38723440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 542, 547, 813, 1084, 1094, 1626, 1641, 2168, 2188, 2439, 3252, 3282, 4336, 4376, 4878, 4923, 6504, 6564, 8752, 9756, 9846, 13008, 13128, 19512, 19692, 26256, 39024, 39384, 78768, 148237, 296474, 444711, 592948, 889422, 1185896, 1334133, 1778844, 2371792, 2668266, 3557688, 5336532, 7115376, 10673064, 21346128]

約数ペア:

[(1, 21346128), (2, 10673064), (3, 7115376), (4, 5336532), (6, 3557688), (8, 2668266), (9, 2371792), (12, 1778844), (16, 1334133), (18, 1185896), (24, 889422), (36, 592948), (48, 444711), (72, 296474), (144, 148237), (271, 78768), (542, 39384), (547, 39024), (813, 26256), (1084, 19692), (1094, 19512), (1626, 13128), (1641, 13008), (2168, 9846), (2188, 9756), (2439, 8752), (3252, 6564), (3282, 6504), (4336, 4923), (4376, 4878)]