21994568

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 20159992

約数列:

[1, 2, 4, 8, 101, 163, 167, 202, 326, 334, 404, 652, 668, 808, 1304, 1336, 16463, 16867, 27221, 32926, 33734, 54442, 65852, 67468, 108884, 131704, 134936, 217768, 2749321, 5498642, 10997284, 21994568]

約数ペア:

[(1, 21994568), (2, 10997284), (4, 5498642), (8, 2749321), (101, 217768), (163, 134936), (167, 131704), (202, 108884), (326, 67468), (334, 65852), (404, 54442), (652, 33734), (668, 32926), (808, 27221), (1304, 16867), (1336, 16463)]