21401181

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 33002424

約数和(自身を除く): 11601243

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1021, 1233, 2329, 3063, 6987, 9189, 17357, 20961, 52071, 139877, 156213, 419631, 1258893, 2377909, 7133727, 21401181]

約数ペア:

[(1, 21401181), (3, 7133727), (9, 2377909), (17, 1258893), (51, 419631), (137, 156213), (153, 139877), (411, 52071), (1021, 20961), (1233, 17357), (2329, 9189), (3063, 6987)]