21732580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57191}}^1$

素因数の和:57219

約数の個数: 24

約数和(自身を含む): 48041280

約数和(自身を除く): 26308700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 57191, 114382, 228764, 285955, 571910, 1086629, 1143820, 2173258, 4346516, 5433145, 10866290, 21732580]

約数ペア:

[(1, 21732580), (2, 10866290), (4, 5433145), (5, 4346516), (10, 2173258), (19, 1143820), (20, 1086629), (38, 571910), (76, 285955), (95, 228764), (190, 114382), (380, 57191)]