21786394

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 16711142

約数列:

[1, 2, 7, 14, 61, 97, 122, 194, 263, 427, 526, 679, 854, 1358, 1841, 3682, 5917, 11834, 16043, 25511, 32086, 41419, 51022, 82838, 112301, 178577, 224602, 357154, 1556171, 3112342, 10893197, 21786394]

約数ペア:

[(1, 21786394), (2, 10893197), (7, 3112342), (14, 1556171), (61, 357154), (97, 224602), (122, 178577), (194, 112301), (263, 82838), (427, 51022), (526, 41419), (679, 32086), (854, 25511), (1358, 16043), (1841, 11834), (3682, 5917)]