21000306650

素因数分解:

$2^1\times 5^2\times {\mathrm{337}}^1\times {\mathrm{523}}^1\times {\mathrm{2383}}^1$

素因数の和:3255

約数の個数: 48

約数和(自身を含む): 39267855744

約数和(自身を除く): 18267549094

約数列:

[1, 2, 5, 10, 25, 50, 337, 523, 674, 1046, 1685, 2383, 2615, 3370, 4766, 5230, 8425, 11915, 13075, 16850, 23830, 26150, 59575, 119150, 176251, 352502, 803071, 881255, 1246309, 1606142, 1762510, 2492618, 4015355, 4406275, 6231545, 8030710, 8812550, 12463090, 20076775, 31157725, 40153550, 62315450, 420006133, 840012266, 2100030665, 4200061330, 10500153325, 21000306650]

約数ペア:

[(1, 21000306650), (2, 10500153325), (5, 4200061330), (10, 2100030665), (25, 840012266), (50, 420006133), (337, 62315450), (523, 40153550), (674, 31157725), (1046, 20076775), (1685, 12463090), (2383, 8812550), (2615, 8030710), (3370, 6231545), (4766, 4406275), (5230, 4015355), (8425, 2492618), (11915, 1762510), (13075, 1606142), (16850, 1246309), (23830, 881255), (26150, 803071), (59575, 352502), (119150, 176251)]