21958524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 64296960

約数和(自身を除く): 42338436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1103, 1106, 1422, 1659, 2206, 2212, 2844, 3309, 3318, 4412, 4977, 6618, 6636, 7721, 9927, 9954, 13236, 15442, 19854, 19908, 23163, 30884, 39708, 46326, 69489, 87137, 92652, 138978, 174274, 261411, 277956, 348548, 522822, 609959, 784233, 1045644, 1219918, 1568466, 1829877, 2439836, 3136932, 3659754, 5489631, 7319508, 10979262, 21958524]

約数ペア:

[(1, 21958524), (2, 10979262), (3, 7319508), (4, 5489631), (6, 3659754), (7, 3136932), (9, 2439836), (12, 1829877), (14, 1568466), (18, 1219918), (21, 1045644), (28, 784233), (36, 609959), (42, 522822), (63, 348548), (79, 277956), (84, 261411), (126, 174274), (158, 138978), (237, 92652), (252, 87137), (316, 69489), (474, 46326), (553, 39708), (711, 30884), (948, 23163), (1103, 19908), (1106, 19854), (1422, 15442), (1659, 13236), (2206, 9954), (2212, 9927), (2844, 7721), (3309, 6636), (3318, 6618), (4412, 4977)]