21037654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 35988480

約数和(自身を除く): 14950826

約数列:

[1, 2, 11, 22, 31, 62, 109, 218, 283, 341, 566, 682, 1199, 2398, 3113, 3379, 6226, 6758, 8773, 17546, 30847, 37169, 61694, 74338, 96503, 193006, 339317, 678634, 956257, 1912514, 10518827, 21037654]

約数ペア:

[(1, 21037654), (2, 10518827), (11, 1912514), (22, 956257), (31, 678634), (62, 339317), (109, 193006), (218, 96503), (283, 74338), (341, 61694), (566, 37169), (682, 30847), (1199, 17546), (2398, 8773), (3113, 6758), (3379, 6226)]