21995449905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10254289}}^1$

素因数の和:10254321

約数の個数: 32

約数和(自身を含む): 41345297280

約数和(自身を除く): 19349847375

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 10254289, 30762867, 51271445, 112797179, 133305757, 153814335, 338391537, 399917271, 563985895, 666528785, 1466363327, 1691957685, 1999586355, 4399089981, 7331816635, 21995449905]

約数ペア:

[(1, 21995449905), (3, 7331816635), (5, 4399089981), (11, 1999586355), (13, 1691957685), (15, 1466363327), (33, 666528785), (39, 563985895), (55, 399917271), (65, 338391537), (143, 153814335), (165, 133305757), (195, 112797179), (429, 51271445), (715, 30762867), (2145, 10254289)]