21801416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29947}}^1$

素因数の和:29973

約数の個数: 32

約数和(自身を含む): 50312640

約数和(自身を除く): 28511224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29947, 59894, 119788, 209629, 239576, 389311, 419258, 778622, 838516, 1557244, 1677032, 2725177, 3114488, 5450354, 10900708, 21801416]

約数ペア:

[(1, 21801416), (2, 10900708), (4, 5450354), (7, 3114488), (8, 2725177), (13, 1677032), (14, 1557244), (26, 838516), (28, 778622), (52, 419258), (56, 389311), (91, 239576), (104, 209629), (182, 119788), (364, 59894), (728, 29947)]