21612435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 15945645

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 809, 1781, 2055, 2427, 4045, 5343, 8905, 10517, 12135, 26715, 31551, 52585, 110833, 157755, 332499, 554165, 1440829, 1662495, 4322487, 7204145, 21612435]

約数ペア:

[(1, 21612435), (3, 7204145), (5, 4322487), (13, 1662495), (15, 1440829), (39, 554165), (65, 332499), (137, 157755), (195, 110833), (411, 52585), (685, 31551), (809, 26715), (1781, 12135), (2055, 10517), (2427, 8905), (4045, 5343)]