21136986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 50188320

約数和(自身を除く): 29051334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1531, 1534, 2301, 3062, 4593, 4602, 6903, 9186, 13779, 13806, 19903, 27558, 39806, 59709, 90329, 119418, 179127, 180658, 270987, 358254, 541974, 812961, 1174277, 1625922, 2348554, 3522831, 7045662, 10568493, 21136986]

約数ペア:

[(1, 21136986), (2, 10568493), (3, 7045662), (6, 3522831), (9, 2348554), (13, 1625922), (18, 1174277), (26, 812961), (39, 541974), (59, 358254), (78, 270987), (117, 180658), (118, 179127), (177, 119418), (234, 90329), (354, 59709), (531, 39806), (767, 27558), (1062, 19903), (1531, 13806), (1534, 13779), (2301, 9186), (3062, 6903), (4593, 4602)]