21967528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2333}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 45372960

約数和(自身を除く): 23405432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2333, 2354, 4666, 4708, 9332, 9416, 18664, 25663, 51326, 102652, 205304, 249631, 499262, 998524, 1997048, 2745941, 5491882, 10983764, 21967528]

約数ペア:

[(1, 21967528), (2, 10983764), (4, 5491882), (8, 2745941), (11, 1997048), (22, 998524), (44, 499262), (88, 249631), (107, 205304), (214, 102652), (428, 51326), (856, 25663), (1177, 18664), (2333, 9416), (2354, 9332), (4666, 4708)]