21839125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2269}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 33995520

約数和(自身を除く): 12156395

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2269, 9625, 11345, 15883, 24959, 56725, 79415, 124795, 174713, 283625, 397075, 623975, 873565, 1985375, 3119875, 4367825, 21839125]

約数ペア:

[(1, 21839125), (5, 4367825), (7, 3119875), (11, 1985375), (25, 873565), (35, 623975), (55, 397075), (77, 283625), (125, 174713), (175, 124795), (275, 79415), (385, 56725), (875, 24959), (1375, 15883), (1925, 11345), (2269, 9625)]