21308508

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5059}}^1$

素因数の和:5088

約数の個数: 60

約数和(自身を含む): 60001480

約数和(自身を除く): 38692972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5059, 10118, 15177, 20236, 30354, 45531, 60708, 65767, 91062, 131534, 136593, 182124, 197301, 263068, 273186, 394602, 409779, 546372, 591903, 789204, 819558, 1183806, 1639116, 1775709, 2367612, 3551418, 5327127, 7102836, 10654254, 21308508]

約数ペア:

[(1, 21308508), (2, 10654254), (3, 7102836), (4, 5327127), (6, 3551418), (9, 2367612), (12, 1775709), (13, 1639116), (18, 1183806), (26, 819558), (27, 789204), (36, 591903), (39, 546372), (52, 409779), (54, 394602), (78, 273186), (81, 263068), (108, 197301), (117, 182124), (156, 136593), (162, 131534), (234, 91062), (324, 65767), (351, 60708), (468, 45531), (702, 30354), (1053, 20236), (1404, 15177), (2106, 10118), (4212, 5059)]