21818456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6701}}^1$

素因数の和:6755

約数の個数: 32

約数和(自身を含む): 45841680

約数和(自身を除く): 24023224

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6701, 13402, 26804, 53608, 73711, 147422, 247937, 294844, 495874, 589688, 991748, 1983496, 2727307, 5454614, 10909228, 21818456]

約数ペア:

[(1, 21818456), (2, 10909228), (4, 5454614), (8, 2727307), (11, 1983496), (22, 991748), (37, 589688), (44, 495874), (74, 294844), (88, 247937), (148, 147422), (296, 73711), (407, 53608), (814, 26804), (1628, 13402), (3256, 6701)]