21994610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3389}}^1$

素因数の和:3466

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 21939790

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 3389, 6490, 6778, 16945, 33890, 37279, 74558, 186395, 199951, 372790, 399902, 999755, 1999510, 2199461, 4398922, 10997305, 21994610]

約数ペア:

[(1, 21994610), (2, 10997305), (5, 4398922), (10, 2199461), (11, 1999510), (22, 999755), (55, 399902), (59, 372790), (110, 199951), (118, 186395), (295, 74558), (590, 37279), (649, 33890), (1298, 16945), (3245, 6778), (3389, 6490)]