21787444838

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 33215076000

約数和(自身を除く): 11427631162

約数列:

[1, 2, 149, 157, 298, 314, 457, 914, 1019, 2038, 23393, 46786, 68093, 71749, 136186, 143498, 151831, 159983, 303662, 319966, 465683, 931366, 10690601, 21381202, 23837467, 47674934, 69386767, 73112231, 138773534, 146224462, 10893722419, 21787444838]

約数ペア:

[(1, 21787444838), (2, 10893722419), (149, 146224462), (157, 138773534), (298, 73112231), (314, 69386767), (457, 47674934), (914, 23837467), (1019, 21381202), (2038, 10690601), (23393, 931366), (46786, 465683), (68093, 319966), (71749, 303662), (136186, 159983), (143498, 151831)]