21656742

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{881}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 46103904

約数和(自身を除く): 24447162

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 241, 482, 723, 881, 1446, 1762, 2643, 4097, 5286, 8194, 12291, 14977, 24582, 29954, 44931, 89862, 212321, 424642, 636963, 1273926, 3609457, 7218914, 10828371, 21656742]

約数ペア:

[(1, 21656742), (2, 10828371), (3, 7218914), (6, 3609457), (17, 1273926), (34, 636963), (51, 424642), (102, 212321), (241, 89862), (482, 44931), (723, 29954), (881, 24582), (1446, 14977), (1762, 12291), (2643, 8194), (4097, 5286)]