21907788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260807}}^1$

素因数の和:260821

約数の個数: 24

約数和(自身を含む): 58420992

約数和(自身を除く): 36513204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260807, 521614, 782421, 1043228, 1564842, 1825649, 3129684, 3651298, 5476947, 7302596, 10953894, 21907788]

約数ペア:

[(1, 21907788), (2, 10953894), (3, 7302596), (4, 5476947), (6, 3651298), (7, 3129684), (12, 1825649), (14, 1564842), (21, 1043228), (28, 782421), (42, 521614), (84, 260807)]