21045848

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19596712

約数列:

[1, 2, 4, 8, 47, 94, 188, 223, 251, 376, 446, 502, 892, 1004, 1784, 2008, 10481, 11797, 20962, 23594, 41924, 47188, 55973, 83848, 94376, 111946, 223892, 447784, 2630731, 5261462, 10522924, 21045848]

約数ペア:

[(1, 21045848), (2, 10522924), (4, 5261462), (8, 2630731), (47, 447784), (94, 223892), (188, 111946), (223, 94376), (251, 83848), (376, 55973), (446, 47188), (502, 41924), (892, 23594), (1004, 20962), (1784, 11797), (2008, 10481)]