21577930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 23668670

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 1049, 1210, 1870, 2057, 2098, 4114, 5245, 10285, 10490, 11539, 17833, 20570, 23078, 35666, 57695, 89165, 115390, 126929, 178330, 196163, 253858, 392326, 634645, 980815, 1269290, 1961630, 2157793, 4315586, 10788965, 21577930]

約数ペア:

[(1, 21577930), (2, 10788965), (5, 4315586), (10, 2157793), (11, 1961630), (17, 1269290), (22, 980815), (34, 634645), (55, 392326), (85, 253858), (110, 196163), (121, 178330), (170, 126929), (187, 115390), (242, 89165), (374, 57695), (605, 35666), (935, 23078), (1049, 20570), (1210, 17833), (1870, 11539), (2057, 10490), (2098, 10285), (4114, 5245)]