21037509289

素因数分解:

${\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1\times {\mathrm{1931}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 22506748992

約数和(自身を除く): 1469239703

約数列:

[1, 19, 103, 293, 361, 1931, 1957, 5567, 30179, 36689, 37183, 105773, 198893, 565783, 573401, 697091, 3778967, 10749877, 10894619, 58275649, 71800373, 204247663, 1107237331, 21037509289]

約数ペア:

[(1, 21037509289), (19, 1107237331), (103, 204247663), (293, 71800373), (361, 58275649), (1931, 10894619), (1957, 10749877), (5567, 3778967), (30179, 697091), (36689, 573401), (37183, 565783), (105773, 198893)]