21450360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178753}}^1$

素因数の和:178767

約数の個数: 32

約数和(自身を含む): 64351440

約数和(自身を除く): 42901080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178753, 357506, 536259, 715012, 893765, 1072518, 1430024, 1787530, 2145036, 2681295, 3575060, 4290072, 5362590, 7150120, 10725180, 21450360]

約数ペア:

[(1, 21450360), (2, 10725180), (3, 7150120), (4, 5362590), (5, 4290072), (6, 3575060), (8, 2681295), (10, 2145036), (12, 1787530), (15, 1430024), (20, 1072518), (24, 893765), (30, 715012), (40, 536259), (60, 357506), (120, 178753)]