21536908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{463}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 39170880

約数和(自身を除く): 17633972

約数列:

[1, 2, 4, 29, 58, 116, 401, 463, 802, 926, 1604, 1852, 11629, 13427, 23258, 26854, 46516, 53708, 185663, 371326, 742652, 5384227, 10768454, 21536908]

約数ペア:

[(1, 21536908), (2, 10768454), (4, 5384227), (29, 742652), (58, 371326), (116, 185663), (401, 53708), (463, 46516), (802, 26854), (926, 23258), (1604, 13427), (1852, 11629)]