21216708

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 55413120

約数和(自身を除く): 34196412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1301, 1359, 1812, 2602, 2718, 3903, 4077, 5204, 5436, 7806, 8154, 11709, 15612, 16308, 23418, 35127, 46836, 70254, 140508, 196451, 392902, 589353, 785804, 1178706, 1768059, 2357412, 3536118, 5304177, 7072236, 10608354, 21216708]

約数ペア:

[(1, 21216708), (2, 10608354), (3, 7072236), (4, 5304177), (6, 3536118), (9, 2357412), (12, 1768059), (18, 1178706), (27, 785804), (36, 589353), (54, 392902), (108, 196451), (151, 140508), (302, 70254), (453, 46836), (604, 35127), (906, 23418), (1301, 16308), (1359, 15612), (1812, 11709), (2602, 8154), (2718, 7806), (3903, 5436), (4077, 5204)]