21088650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12781}}^1$

素因数の和:12807

約数の個数: 48

約数和(自身を含む): 57058848

約数和(自身を除く): 35970198

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12781, 25562, 38343, 63905, 76686, 127810, 140591, 191715, 281182, 319525, 383430, 421773, 639050, 702955, 843546, 958575, 1405910, 1917150, 2108865, 3514775, 4217730, 7029550, 10544325, 21088650]

約数ペア:

[(1, 21088650), (2, 10544325), (3, 7029550), (5, 4217730), (6, 3514775), (10, 2108865), (11, 1917150), (15, 1405910), (22, 958575), (25, 843546), (30, 702955), (33, 639050), (50, 421773), (55, 383430), (66, 319525), (75, 281182), (110, 191715), (150, 140591), (165, 127810), (275, 76686), (330, 63905), (550, 38343), (825, 25562), (1650, 12781)]