21637896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 64587840

約数和(自身を除く): 42949944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 59, 74, 84, 111, 118, 148, 168, 177, 222, 236, 259, 296, 354, 413, 444, 472, 518, 708, 777, 826, 888, 1036, 1239, 1416, 1554, 1652, 2072, 2183, 2478, 3108, 3304, 3481, 4366, 4956, 6216, 6549, 6962, 8732, 9912, 10443, 13098, 13924, 15281, 17464, 20886, 24367, 26196, 27848, 30562, 41772, 45843, 48734, 52392, 61124, 73101, 83544, 91686, 97468, 122248, 128797, 146202, 183372, 194936, 257594, 292404, 366744, 386391, 515188, 584808, 772782, 901579, 1030376, 1545564, 1803158, 2704737, 3091128, 3606316, 5409474, 7212632, 10818948, 21637896]

約数ペア:

[(1, 21637896), (2, 10818948), (3, 7212632), (4, 5409474), (6, 3606316), (7, 3091128), (8, 2704737), (12, 1803158), (14, 1545564), (21, 1030376), (24, 901579), (28, 772782), (37, 584808), (42, 515188), (56, 386391), (59, 366744), (74, 292404), (84, 257594), (111, 194936), (118, 183372), (148, 146202), (168, 128797), (177, 122248), (222, 97468), (236, 91686), (259, 83544), (296, 73101), (354, 61124), (413, 52392), (444, 48734), (472, 45843), (518, 41772), (708, 30562), (777, 27848), (826, 26196), (888, 24367), (1036, 20886), (1239, 17464), (1416, 15281), (1554, 13924), (1652, 13098), (2072, 10443), (2183, 9912), (2478, 8732), (3108, 6962), (3304, 6549), (3481, 6216), (4366, 4956)]