21108223325

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1\times {\mathrm{1439}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 30248064000

約数和(自身を除く): 9139840675

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 769, 1439, 2725, 3815, 3845, 5383, 7195, 10073, 19075, 19225, 26915, 35975, 50365, 83821, 134575, 156851, 251825, 419105, 586747, 784255, 1097957, 1106591, 2095525, 2933735, 3921275, 5489785, 5532955, 7746137, 14668675, 27448925, 27664775, 38730685, 120618419, 193653425, 603092095, 844328933, 3015460475, 4221644665, 21108223325]

約数ペア:

[(1, 21108223325), (5, 4221644665), (7, 3015460475), (25, 844328933), (35, 603092095), (109, 193653425), (175, 120618419), (545, 38730685), (763, 27664775), (769, 27448925), (1439, 14668675), (2725, 7746137), (3815, 5532955), (3845, 5489785), (5383, 3921275), (7195, 2933735), (10073, 2095525), (19075, 1106591), (19225, 1097957), (26915, 784255), (35975, 586747), (50365, 419105), (83821, 251825), (134575, 156851)]