21000905719930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1\times {\mathrm{50691317}}^1$

素因数の和:50693778

約数の個数: 32

約数和(自身を含む): 40041680384016

約数和(自身を除く): 19040774664086

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 2437, 4874, 12185, 24370, 41429, 82858, 207145, 414290, 50691317, 101382634, 253456585, 506913170, 861752389, 1723504778, 4308761945, 8617523890, 123534739529, 247069479058, 617673697645, 1235347395290, 2100090571993, 4200181143986, 10500452859965, 21000905719930]

約数ペア:

[(1, 21000905719930), (2, 10500452859965), (5, 4200181143986), (10, 2100090571993), (17, 1235347395290), (34, 617673697645), (85, 247069479058), (170, 123534739529), (2437, 8617523890), (4874, 4308761945), (12185, 1723504778), (24370, 861752389), (41429, 506913170), (82858, 253456585), (207145, 101382634), (414290, 50691317)]