21897173685

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{140407}}^1$

素因数の和:140733

約数の個数: 32

約数和(自身を含む): 36110691072

約数和(自身を除く): 14213517387

約数列:

[1, 3, 5, 15, 37, 111, 185, 281, 555, 843, 1405, 4215, 10397, 31191, 51985, 140407, 155955, 421221, 702035, 2106105, 5195059, 15585177, 25975295, 39454367, 77925885, 118363101, 197271835, 591815505, 1459811579, 4379434737, 7299057895, 21897173685]

約数ペア:

[(1, 21897173685), (3, 7299057895), (5, 4379434737), (15, 1459811579), (37, 591815505), (111, 197271835), (185, 118363101), (281, 77925885), (555, 39454367), (843, 25975295), (1405, 15585177), (4215, 5195059), (10397, 2106105), (31191, 702035), (51985, 421221), (140407, 155955)]