21450180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357503}}^1$

素因数の和:357515

約数の個数: 24

約数和(自身を含む): 60060672

約数和(自身を除く): 38610492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357503, 715006, 1072509, 1430012, 1787515, 2145018, 3575030, 4290036, 5362545, 7150060, 10725090, 21450180]

約数ペア:

[(1, 21450180), (2, 10725090), (3, 7150060), (4, 5362545), (5, 4290036), (6, 3575030), (10, 2145018), (12, 1787515), (15, 1430012), (20, 1072509), (30, 715006), (60, 357503)]