21053430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 33983370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1049, 1115, 1338, 2007, 2098, 2230, 3147, 3345, 4014, 5245, 6294, 6690, 9441, 10035, 10490, 15735, 18882, 20070, 31470, 47205, 94410, 233927, 467854, 701781, 1169635, 1403562, 2105343, 2339270, 3508905, 4210686, 7017810, 10526715, 21053430]

約数ペア:

[(1, 21053430), (2, 10526715), (3, 7017810), (5, 4210686), (6, 3508905), (9, 2339270), (10, 2105343), (15, 1403562), (18, 1169635), (30, 701781), (45, 467854), (90, 233927), (223, 94410), (446, 47205), (669, 31470), (1049, 20070), (1115, 18882), (1338, 15735), (2007, 10490), (2098, 10035), (2230, 9441), (3147, 6690), (3345, 6294), (4014, 5245)]