21167633392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1619311}}^1$

素因数の和:1619381

約数の個数: 40

約数和(自身を含む): 44174831360

約数和(自身を除く): 23007197968

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 1619311, 3238622, 6477244, 12954488, 25908976, 30766909, 61533818, 69630373, 123067636, 139260746, 246135272, 278521492, 492270544, 557042984, 1114085968, 1322977087, 2645954174, 5291908348, 10583816696, 21167633392]

約数ペア:

[(1, 21167633392), (2, 10583816696), (4, 5291908348), (8, 2645954174), (16, 1322977087), (19, 1114085968), (38, 557042984), (43, 492270544), (76, 278521492), (86, 246135272), (152, 139260746), (172, 123067636), (304, 69630373), (344, 61533818), (688, 30766909), (817, 25908976), (1634, 12954488), (3268, 6477244), (6536, 3238622), (13072, 1619311)]