21934550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2141

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 24937450

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 2099, 4198, 5225, 10450, 10495, 20990, 23089, 39881, 46178, 52475, 79762, 104950, 115445, 199405, 230890, 398810, 438691, 577225, 877382, 997025, 1154450, 1994050, 2193455, 4386910, 10967275, 21934550]

約数ペア:

[(1, 21934550), (2, 10967275), (5, 4386910), (10, 2193455), (11, 1994050), (19, 1154450), (22, 997025), (25, 877382), (38, 577225), (50, 438691), (55, 398810), (95, 230890), (110, 199405), (190, 115445), (209, 104950), (275, 79762), (418, 52475), (475, 46178), (550, 39881), (950, 23089), (1045, 20990), (2090, 10495), (2099, 10450), (4198, 5225)]