21383930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 40772160

約数和(自身を除く): 19388230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 467, 482, 934, 1205, 2335, 2410, 4579, 4670, 8873, 9158, 17746, 22895, 44365, 45790, 88730, 112547, 225094, 562735, 1125470, 2138393, 4276786, 10691965, 21383930]

約数ペア:

[(1, 21383930), (2, 10691965), (5, 4276786), (10, 2138393), (19, 1125470), (38, 562735), (95, 225094), (190, 112547), (241, 88730), (467, 45790), (482, 44365), (934, 22895), (1205, 17746), (2335, 9158), (2410, 8873), (4579, 4670)]