21905200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2422

約数の個数: 60

約数和(自身を含む): 54938448

約数和(自身を除く): 33033248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 2381, 4600, 4762, 9200, 9524, 11905, 19048, 23810, 38096, 47620, 54763, 59525, 95240, 109526, 119050, 190480, 219052, 238100, 273815, 438104, 476200, 547630, 876208, 952400, 1095260, 1369075, 2190520, 2738150, 4381040, 5476300, 10952600, 21905200]

約数ペア:

[(1, 21905200), (2, 10952600), (4, 5476300), (5, 4381040), (8, 2738150), (10, 2190520), (16, 1369075), (20, 1095260), (23, 952400), (25, 876208), (40, 547630), (46, 476200), (50, 438104), (80, 273815), (92, 238100), (100, 219052), (115, 190480), (184, 119050), (200, 109526), (230, 95240), (368, 59525), (400, 54763), (460, 47620), (575, 38096), (920, 23810), (1150, 19048), (1840, 11905), (2300, 9524), (2381, 9200), (4600, 4762)]