21046716

素因数分解:

$2^2\times 3^5\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 56259840

約数和(自身を除く): 35213124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 243, 324, 354, 367, 486, 531, 708, 734, 972, 1062, 1101, 1468, 1593, 2124, 2202, 3186, 3303, 4404, 4779, 6372, 6606, 9558, 9909, 13212, 14337, 19116, 19818, 21653, 28674, 29727, 39636, 43306, 57348, 59454, 64959, 86612, 89181, 118908, 129918, 178362, 194877, 259836, 356724, 389754, 584631, 779508, 1169262, 1753893, 2338524, 3507786, 5261679, 7015572, 10523358, 21046716]

約数ペア:

[(1, 21046716), (2, 10523358), (3, 7015572), (4, 5261679), (6, 3507786), (9, 2338524), (12, 1753893), (18, 1169262), (27, 779508), (36, 584631), (54, 389754), (59, 356724), (81, 259836), (108, 194877), (118, 178362), (162, 129918), (177, 118908), (236, 89181), (243, 86612), (324, 64959), (354, 59454), (367, 57348), (486, 43306), (531, 39636), (708, 29727), (734, 28674), (972, 21653), (1062, 19818), (1101, 19116), (1468, 14337), (1593, 13212), (2124, 9909), (2202, 9558), (3186, 6606), (3303, 6372), (4404, 4779)]