21786224

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{7129}}^1$

素因数の和:7328

約数の個数: 20

約数和(自身を含む): 42437760

約数和(自身を除く): 20651536

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 7129, 14258, 28516, 57032, 114064, 1361639, 2723278, 5446556, 10893112, 21786224]

約数ペア:

[(1, 21786224), (2, 10893112), (4, 5446556), (8, 2723278), (16, 1361639), (191, 114064), (382, 57032), (764, 28516), (1528, 14258), (3056, 7129)]