21628148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4357}}^1$

素因数の和:4451

約数の個数: 24

約数和(自身を含む): 40633992

約数和(自身を除く): 19005844

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4357, 4964, 8714, 17428, 74069, 148138, 296276, 318061, 636122, 1272244, 5407037, 10814074, 21628148]

約数ペア:

[(1, 21628148), (2, 10814074), (4, 5407037), (17, 1272244), (34, 636122), (68, 318061), (73, 296276), (146, 148138), (292, 74069), (1241, 17428), (2482, 8714), (4357, 4964)]