21727116

素因数分解:

$2^2\times 3^6\times {\mathrm{7451}}^1$

素因数の和:7473

約数の個数: 42

約数和(自身を含む): 57015252

約数和(自身を除く): 35288136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7451, 14902, 22353, 29804, 44706, 67059, 89412, 134118, 201177, 268236, 402354, 603531, 804708, 1207062, 1810593, 2414124, 3621186, 5431779, 7242372, 10863558, 21727116]

約数ペア:

[(1, 21727116), (2, 10863558), (3, 7242372), (4, 5431779), (6, 3621186), (9, 2414124), (12, 1810593), (18, 1207062), (27, 804708), (36, 603531), (54, 402354), (81, 268236), (108, 201177), (162, 134118), (243, 89412), (324, 67059), (486, 44706), (729, 29804), (972, 22353), (1458, 14902), (2916, 7451)]