21910308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2393}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 37077852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2393, 3052, 4578, 4786, 7179, 9156, 9572, 14358, 16751, 28716, 33502, 50253, 67004, 100506, 201012, 260837, 521674, 782511, 1043348, 1565022, 1825859, 3130044, 3651718, 5477577, 7303436, 10955154, 21910308]

約数ペア:

[(1, 21910308), (2, 10955154), (3, 7303436), (4, 5477577), (6, 3651718), (7, 3130044), (12, 1825859), (14, 1565022), (21, 1043348), (28, 782511), (42, 521674), (84, 260837), (109, 201012), (218, 100506), (327, 67004), (436, 50253), (654, 33502), (763, 28716), (1308, 16751), (1526, 14358), (2289, 9572), (2393, 9156), (3052, 7179), (4578, 4786)]