21581142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3371}}^1$

素因数の和:3484

約数の個数: 32

約数和(自身を含む): 47585664

約数和(自身を除く): 26004522

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3371, 6402, 6742, 10113, 20226, 37081, 74162, 111243, 222486, 326987, 653974, 980961, 1961922, 3596857, 7193714, 10790571, 21581142]

約数ペア:

[(1, 21581142), (2, 10790571), (3, 7193714), (6, 3596857), (11, 1961922), (22, 980961), (33, 653974), (66, 326987), (97, 222486), (194, 111243), (291, 74162), (582, 37081), (1067, 20226), (2134, 10113), (3201, 6742), (3371, 6402)]