21454552

素因数分解:

$2^3\times 7^2\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 47196000

約数和(自身を除く): 25741448

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 229, 239, 392, 458, 478, 916, 956, 1603, 1673, 1832, 1912, 3206, 3346, 6412, 6692, 11221, 11711, 12824, 13384, 22442, 23422, 44884, 46844, 54731, 89768, 93688, 109462, 218924, 383117, 437848, 766234, 1532468, 2681819, 3064936, 5363638, 10727276, 21454552]

約数ペア:

[(1, 21454552), (2, 10727276), (4, 5363638), (7, 3064936), (8, 2681819), (14, 1532468), (28, 766234), (49, 437848), (56, 383117), (98, 218924), (196, 109462), (229, 93688), (239, 89768), (392, 54731), (458, 46844), (478, 44884), (916, 23422), (956, 22442), (1603, 13384), (1673, 12824), (1832, 11711), (1912, 11221), (3206, 6692), (3346, 6412)]