21358506135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{372067}}^1$

素因数の和:372207

約数の個数: 32

約数和(自身を含む): 35361342720

約数和(自身を除く): 14002836585

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1335, 3827, 11481, 19135, 57405, 372067, 1116201, 1860335, 5581005, 15998881, 33113963, 47996643, 79994405, 99341889, 165569815, 239983215, 496709445, 1423900409, 4271701227, 7119502045, 21358506135]

約数ペア:

[(1, 21358506135), (3, 7119502045), (5, 4271701227), (15, 1423900409), (43, 496709445), (89, 239983215), (129, 165569815), (215, 99341889), (267, 79994405), (445, 47996643), (645, 33113963), (1335, 15998881), (3827, 5581005), (11481, 1860335), (19135, 1116201), (57405, 372067)]