21888258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9833}}^1$

素因数の和:9898

約数の個数: 32

約数和(自身を含む): 50979456

約数和(自身を除く): 29091198

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9833, 19666, 29499, 58998, 68831, 137662, 206493, 412986, 521149, 1042298, 1563447, 3126894, 3648043, 7296086, 10944129, 21888258]

約数ペア:

[(1, 21888258), (2, 10944129), (3, 7296086), (6, 3648043), (7, 3126894), (14, 1563447), (21, 1042298), (42, 521149), (53, 412986), (106, 206493), (159, 137662), (318, 68831), (371, 58998), (742, 29499), (1113, 19666), (2226, 9833)]