21867406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 16701554

約数列:

[1, 2, 11, 17, 22, 34, 59, 118, 187, 374, 649, 991, 1003, 1298, 1982, 2006, 10901, 11033, 16847, 21802, 22066, 33694, 58469, 116938, 185317, 370634, 643159, 993973, 1286318, 1987946, 10933703, 21867406]

約数ペア:

[(1, 21867406), (2, 10933703), (11, 1987946), (17, 1286318), (22, 993973), (34, 643159), (59, 370634), (118, 185317), (187, 116938), (374, 58469), (649, 33694), (991, 22066), (1003, 21802), (1298, 16847), (1982, 11033), (2006, 10901)]