21827106

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 54370368

約数和(自身を除く): 32543262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 821, 1266, 1477, 1642, 1899, 2463, 2954, 3798, 4431, 4926, 5747, 7389, 8862, 11494, 13293, 14778, 17241, 26586, 34482, 51723, 103446, 173231, 346462, 519693, 1039386, 1212617, 1559079, 2425234, 3118158, 3637851, 7275702, 10913553, 21827106]

約数ペア:

[(1, 21827106), (2, 10913553), (3, 7275702), (6, 3637851), (7, 3118158), (9, 2425234), (14, 1559079), (18, 1212617), (21, 1039386), (42, 519693), (63, 346462), (126, 173231), (211, 103446), (422, 51723), (633, 34482), (821, 26586), (1266, 17241), (1477, 14778), (1642, 13293), (1899, 11494), (2463, 8862), (2954, 7389), (3798, 5747), (4431, 4926)]