21636146

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 40875840

約数和(自身を除く): 19239694

約数列:

[1, 2, 7, 14, 23, 29, 46, 49, 58, 98, 161, 203, 322, 331, 406, 662, 667, 1127, 1334, 1421, 2254, 2317, 2842, 4634, 4669, 7613, 9338, 9599, 15226, 16219, 19198, 32438, 32683, 53291, 65366, 67193, 106582, 134386, 220777, 373037, 441554, 470351, 746074, 940702, 1545439, 3090878, 10818073, 21636146]

約数ペア:

[(1, 21636146), (2, 10818073), (7, 3090878), (14, 1545439), (23, 940702), (29, 746074), (46, 470351), (49, 441554), (58, 373037), (98, 220777), (161, 134386), (203, 106582), (322, 67193), (331, 65366), (406, 53291), (662, 32683), (667, 32438), (1127, 19198), (1334, 16219), (1421, 15226), (2254, 9599), (2317, 9338), (2842, 7613), (4634, 4669)]