21637188

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 35234172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 167, 177, 183, 236, 244, 334, 354, 366, 501, 531, 549, 668, 708, 732, 1002, 1062, 1098, 1503, 2004, 2124, 2196, 3006, 3599, 6012, 7198, 9853, 10187, 10797, 14396, 19706, 20374, 21594, 29559, 30561, 32391, 39412, 40748, 43188, 59118, 61122, 64782, 88677, 91683, 118236, 122244, 129564, 177354, 183366, 354708, 366732, 601033, 1202066, 1803099, 2404132, 3606198, 5409297, 7212396, 10818594, 21637188]

約数ペア:

[(1, 21637188), (2, 10818594), (3, 7212396), (4, 5409297), (6, 3606198), (9, 2404132), (12, 1803099), (18, 1202066), (36, 601033), (59, 366732), (61, 354708), (118, 183366), (122, 177354), (167, 129564), (177, 122244), (183, 118236), (236, 91683), (244, 88677), (334, 64782), (354, 61122), (366, 59118), (501, 43188), (531, 40748), (549, 39412), (668, 32391), (708, 30561), (732, 29559), (1002, 21594), (1062, 20374), (1098, 19706), (1503, 14396), (2004, 10797), (2124, 10187), (2196, 9853), (3006, 7198), (3599, 6012)]