21697858

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4111}}^1$

素因数の和:4162

約数の個数: 32

約数和(自身を含む): 41448960

約数和(自身を除く): 19751102

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 4111, 5278, 8222, 28777, 53443, 57554, 106886, 119219, 238438, 374101, 748202, 834533, 1549847, 1669066, 3099694, 10848929, 21697858]

約数ペア:

[(1, 21697858), (2, 10848929), (7, 3099694), (13, 1669066), (14, 1549847), (26, 834533), (29, 748202), (58, 374101), (91, 238438), (182, 119219), (203, 106886), (377, 57554), (406, 53443), (754, 28777), (2639, 8222), (4111, 5278)]