21383160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2441}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 65054880

約数和(自身を除く): 43671720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2441, 2920, 4380, 4882, 7323, 8760, 9764, 12205, 14646, 19528, 24410, 29292, 36615, 48820, 58584, 73230, 97640, 146460, 178193, 292920, 356386, 534579, 712772, 890965, 1069158, 1425544, 1781930, 2138316, 2672895, 3563860, 4276632, 5345790, 7127720, 10691580, 21383160]

約数ペア:

[(1, 21383160), (2, 10691580), (3, 7127720), (4, 5345790), (5, 4276632), (6, 3563860), (8, 2672895), (10, 2138316), (12, 1781930), (15, 1425544), (20, 1069158), (24, 890965), (30, 712772), (40, 534579), (60, 356386), (73, 292920), (120, 178193), (146, 146460), (219, 97640), (292, 73230), (365, 58584), (438, 48820), (584, 36615), (730, 29292), (876, 24410), (1095, 19528), (1460, 14646), (1752, 12205), (2190, 9764), (2441, 8760), (2920, 7323), (4380, 4882)]