21525842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 38029824

約数和(自身を除く): 16503982

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 1571, 3142, 6851, 13702, 20423, 26707, 40846, 48701, 53414, 97402, 347191, 633113, 694382, 827917, 1266226, 1655834, 10762921, 21525842]

約数ペア:

[(1, 21525842), (2, 10762921), (13, 1655834), (17, 1266226), (26, 827917), (31, 694382), (34, 633113), (62, 347191), (221, 97402), (403, 53414), (442, 48701), (527, 40846), (806, 26707), (1054, 20423), (1571, 13702), (3142, 6851)]