21098376

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22541}}^1$

素因数の和:22566

約数の個数: 48

約数和(自身を含む): 61539660

約数和(自身を除く): 40441284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22541, 45082, 67623, 90164, 135246, 180328, 202869, 270492, 293033, 405738, 540984, 586066, 811476, 879099, 1172132, 1622952, 1758198, 2344264, 2637297, 3516396, 5274594, 7032792, 10549188, 21098376]

約数ペア:

[(1, 21098376), (2, 10549188), (3, 7032792), (4, 5274594), (6, 3516396), (8, 2637297), (9, 2344264), (12, 1758198), (13, 1622952), (18, 1172132), (24, 879099), (26, 811476), (36, 586066), (39, 540984), (52, 405738), (72, 293033), (78, 270492), (104, 202869), (117, 180328), (156, 135246), (234, 90164), (312, 67623), (468, 45082), (936, 22541)]