21948276

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 60201120

約数和(自身を除く): 38252844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 163, 196, 229, 294, 326, 458, 489, 588, 652, 687, 916, 978, 1141, 1374, 1603, 1956, 2282, 2748, 3206, 3423, 4564, 4809, 6412, 6846, 7987, 9618, 11221, 13692, 15974, 19236, 22442, 23961, 31948, 33663, 37327, 44884, 47922, 67326, 74654, 95844, 111981, 134652, 149308, 223962, 261289, 447924, 522578, 783867, 1045156, 1567734, 1829023, 3135468, 3658046, 5487069, 7316092, 10974138, 21948276]

約数ペア:

[(1, 21948276), (2, 10974138), (3, 7316092), (4, 5487069), (6, 3658046), (7, 3135468), (12, 1829023), (14, 1567734), (21, 1045156), (28, 783867), (42, 522578), (49, 447924), (84, 261289), (98, 223962), (147, 149308), (163, 134652), (196, 111981), (229, 95844), (294, 74654), (326, 67326), (458, 47922), (489, 44884), (588, 37327), (652, 33663), (687, 31948), (916, 23961), (978, 22442), (1141, 19236), (1374, 15974), (1603, 13692), (1956, 11221), (2282, 9618), (2748, 7987), (3206, 6846), (3423, 6412), (4564, 4809)]