21656304

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2549}}^1$

素因数の和:2622

約数の個数: 60

約数和(自身を含む): 61659000

約数和(自身を除く): 40002696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2549, 2832, 4248, 5098, 7647, 8496, 10196, 15294, 20392, 22941, 30588, 40784, 45882, 61176, 91764, 122352, 150391, 183528, 300782, 367056, 451173, 601564, 902346, 1203128, 1353519, 1804692, 2406256, 2707038, 3609384, 5414076, 7218768, 10828152, 21656304]

約数ペア:

[(1, 21656304), (2, 10828152), (3, 7218768), (4, 5414076), (6, 3609384), (8, 2707038), (9, 2406256), (12, 1804692), (16, 1353519), (18, 1203128), (24, 902346), (36, 601564), (48, 451173), (59, 367056), (72, 300782), (118, 183528), (144, 150391), (177, 122352), (236, 91764), (354, 61176), (472, 45882), (531, 40784), (708, 30588), (944, 22941), (1062, 20392), (1416, 15294), (2124, 10196), (2549, 8496), (2832, 7647), (4248, 5098)]