21552146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 40521600

約数和(自身を除く): 18969454

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 349, 401, 698, 802, 2443, 2807, 3839, 4411, 4886, 5614, 7678, 8822, 26873, 30877, 53746, 61754, 139949, 279898, 979643, 1539439, 1959286, 3078878, 10776073, 21552146]

約数ペア:

[(1, 21552146), (2, 10776073), (7, 3078878), (11, 1959286), (14, 1539439), (22, 979643), (77, 279898), (154, 139949), (349, 61754), (401, 53746), (698, 30877), (802, 26873), (2443, 8822), (2807, 7678), (3839, 5614), (4411, 4886)]