21598255

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 30818304

約数和(自身を除く): 9220049

約数列:

[1, 5, 7, 35, 43, 113, 127, 215, 301, 565, 635, 791, 889, 1505, 3955, 4445, 4859, 5461, 14351, 24295, 27305, 34013, 38227, 71755, 100457, 170065, 191135, 502285, 617093, 3085465, 4319651, 21598255]

約数ペア:

[(1, 21598255), (5, 4319651), (7, 3085465), (35, 617093), (43, 502285), (113, 191135), (127, 170065), (215, 100457), (301, 71755), (565, 38227), (635, 34013), (791, 27305), (889, 24295), (1505, 14351), (3955, 5461), (4445, 4859)]