21430752

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31891}}^1$

素因数の和:31911

約数の個数: 48

約数和(自身を含む): 64294272

約数和(自身を除く): 42863520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31891, 63782, 95673, 127564, 191346, 223237, 255128, 382692, 446474, 510256, 669711, 765384, 892948, 1020512, 1339422, 1530768, 1785896, 2678844, 3061536, 3571792, 5357688, 7143584, 10715376, 21430752]

約数ペア:

[(1, 21430752), (2, 10715376), (3, 7143584), (4, 5357688), (6, 3571792), (7, 3061536), (8, 2678844), (12, 1785896), (14, 1530768), (16, 1339422), (21, 1020512), (24, 892948), (28, 765384), (32, 669711), (42, 510256), (48, 446474), (56, 382692), (84, 255128), (96, 223237), (112, 191346), (168, 127564), (224, 95673), (336, 63782), (672, 31891)]