21358701

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8722

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 17590419

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8693, 26079, 60851, 78237, 113009, 182553, 234711, 339027, 547659, 791063, 1017081, 1642977, 2373189, 3051243, 7119567, 21358701]

約数ペア:

[(1, 21358701), (3, 7119567), (7, 3051243), (9, 2373189), (13, 1642977), (21, 1017081), (27, 791063), (39, 547659), (63, 339027), (91, 234711), (117, 182553), (189, 113009), (273, 78237), (351, 60851), (819, 26079), (2457, 8693)]