21477378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 46501056

約数和(自身を除く): 25023678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 454, 681, 1213, 1362, 2426, 2951, 3639, 5902, 7278, 8853, 15769, 17706, 31538, 47307, 94614, 275351, 550702, 826053, 1652106, 3579563, 7159126, 10738689, 21477378]

約数ペア:

[(1, 21477378), (2, 10738689), (3, 7159126), (6, 3579563), (13, 1652106), (26, 826053), (39, 550702), (78, 275351), (227, 94614), (454, 47307), (681, 31538), (1213, 17706), (1362, 15769), (2426, 8853), (2951, 7278), (3639, 5902)]