21440364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2753}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 34080276

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 132, 177, 236, 354, 649, 708, 1298, 1947, 2596, 2753, 3894, 5506, 7788, 8259, 11012, 16518, 30283, 33036, 60566, 90849, 121132, 162427, 181698, 324854, 363396, 487281, 649708, 974562, 1786697, 1949124, 3573394, 5360091, 7146788, 10720182, 21440364]

約数ペア:

[(1, 21440364), (2, 10720182), (3, 7146788), (4, 5360091), (6, 3573394), (11, 1949124), (12, 1786697), (22, 974562), (33, 649708), (44, 487281), (59, 363396), (66, 324854), (118, 181698), (132, 162427), (177, 121132), (236, 90849), (354, 60566), (649, 33036), (708, 30283), (1298, 16518), (1947, 11012), (2596, 8259), (2753, 7788), (3894, 5506)]