21960848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15083}}^1$

素因数の和:15111

約数の個数: 40

約数和(自身を含む): 52371648

約数和(自身を除く): 30410800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 15083, 30166, 60332, 105581, 120664, 196079, 211162, 241328, 392158, 422324, 784316, 844648, 1372553, 1568632, 1689296, 2745106, 3137264, 5490212, 10980424, 21960848]

約数ペア:

[(1, 21960848), (2, 10980424), (4, 5490212), (7, 3137264), (8, 2745106), (13, 1689296), (14, 1568632), (16, 1372553), (26, 844648), (28, 784316), (52, 422324), (56, 392158), (91, 241328), (104, 211162), (112, 196079), (182, 120664), (208, 105581), (364, 60332), (728, 30166), (1456, 15083)]