21607128

素因数分解:

$2^3\times 3^3\times {\mathrm{167}}^1\times {\mathrm{599}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 38872872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 167, 216, 334, 501, 599, 668, 1002, 1198, 1336, 1503, 1797, 2004, 2396, 3006, 3594, 4008, 4509, 4792, 5391, 6012, 7188, 9018, 10782, 12024, 14376, 16173, 18036, 21564, 32346, 36072, 43128, 64692, 100033, 129384, 200066, 300099, 400132, 600198, 800264, 900297, 1200396, 1800594, 2400792, 2700891, 3601188, 5401782, 7202376, 10803564, 21607128]

約数ペア:

[(1, 21607128), (2, 10803564), (3, 7202376), (4, 5401782), (6, 3601188), (8, 2700891), (9, 2400792), (12, 1800594), (18, 1200396), (24, 900297), (27, 800264), (36, 600198), (54, 400132), (72, 300099), (108, 200066), (167, 129384), (216, 100033), (334, 64692), (501, 43128), (599, 36072), (668, 32346), (1002, 21564), (1198, 18036), (1336, 16173), (1503, 14376), (1797, 12024), (2004, 10782), (2396, 9018), (3006, 7188), (3594, 6012), (4008, 5391), (4509, 4792)]