21153492

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15881}}^1$

素因数の和:15928

約数の個数: 36

約数和(自身を含む): 54919956

約数和(自身を除く): 33766464

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15881, 31762, 47643, 63524, 95286, 142929, 190572, 285858, 571716, 587597, 1175194, 1762791, 2350388, 3525582, 5288373, 7051164, 10576746, 21153492]

約数ペア:

[(1, 21153492), (2, 10576746), (3, 7051164), (4, 5288373), (6, 3525582), (9, 2350388), (12, 1762791), (18, 1175194), (36, 587597), (37, 571716), (74, 285858), (111, 190572), (148, 142929), (222, 95286), (333, 63524), (444, 47643), (666, 31762), (1332, 15881)]