21088488

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 33732312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 59, 106, 118, 159, 177, 212, 236, 281, 318, 354, 424, 472, 562, 636, 708, 843, 1124, 1272, 1416, 1686, 2248, 3127, 3372, 6254, 6744, 9381, 12508, 14893, 16579, 18762, 25016, 29786, 33158, 37524, 44679, 49737, 59572, 66316, 75048, 89358, 99474, 119144, 132632, 178716, 198948, 357432, 397896, 878687, 1757374, 2636061, 3514748, 5272122, 7029496, 10544244, 21088488]

約数ペア:

[(1, 21088488), (2, 10544244), (3, 7029496), (4, 5272122), (6, 3514748), (8, 2636061), (12, 1757374), (24, 878687), (53, 397896), (59, 357432), (106, 198948), (118, 178716), (159, 132632), (177, 119144), (212, 99474), (236, 89358), (281, 75048), (318, 66316), (354, 59572), (424, 49737), (472, 44679), (562, 37524), (636, 33158), (708, 29786), (843, 25016), (1124, 18762), (1272, 16579), (1416, 14893), (1686, 12508), (2248, 9381), (3127, 6744), (3372, 6254)]