21475878

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22432602

約数列:

[1, 2, 3, 6, 89, 131, 178, 262, 267, 307, 393, 534, 614, 786, 921, 1842, 11659, 23318, 27323, 34977, 40217, 54646, 69954, 80434, 81969, 120651, 163938, 241302, 3579313, 7158626, 10737939, 21475878]

約数ペア:

[(1, 21475878), (2, 10737939), (3, 7158626), (6, 3579313), (89, 241302), (131, 163938), (178, 120651), (262, 81969), (267, 80434), (307, 69954), (393, 54646), (534, 40217), (614, 34977), (786, 27323), (921, 23318), (1842, 11659)]