21167177325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{857839}}^1$

素因数の和:857906

約数の個数: 48

約数和(自身を含む): 40846909440

約数和(自身を除く): 19679732115

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 141, 175, 235, 329, 525, 705, 987, 1175, 1645, 3525, 4935, 8225, 24675, 857839, 2573517, 4289195, 6004873, 12867585, 18014619, 21445975, 30024365, 40318433, 64337925, 90073095, 120955299, 150121825, 201592165, 282229031, 450365475, 604776495, 846687093, 1007960825, 1411145155, 3023882475, 4233435465, 7055725775, 21167177325]

約数ペア:

[(1, 21167177325), (3, 7055725775), (5, 4233435465), (7, 3023882475), (15, 1411145155), (21, 1007960825), (25, 846687093), (35, 604776495), (47, 450365475), (75, 282229031), (105, 201592165), (141, 150121825), (175, 120955299), (235, 90073095), (329, 64337925), (525, 40318433), (705, 30024365), (987, 21445975), (1175, 18014619), (1645, 12867585), (3525, 6004873), (4935, 4289195), (8225, 2573517), (24675, 857839)]