21558888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43436952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 743, 744, 806, 936, 1116, 1209, 1486, 1612, 2229, 2232, 2418, 2972, 3224, 3627, 4458, 4836, 5944, 6687, 7254, 8916, 9659, 9672, 13374, 14508, 17832, 19318, 23033, 26748, 28977, 29016, 38636, 46066, 53496, 57954, 69099, 77272, 86931, 92132, 115908, 138198, 173862, 184264, 207297, 231816, 276396, 299429, 347724, 414594, 552792, 598858, 695448, 829188, 898287, 1197716, 1658376, 1796574, 2395432, 2694861, 3593148, 5389722, 7186296, 10779444, 21558888]

約数ペア:

[(1, 21558888), (2, 10779444), (3, 7186296), (4, 5389722), (6, 3593148), (8, 2694861), (9, 2395432), (12, 1796574), (13, 1658376), (18, 1197716), (24, 898287), (26, 829188), (31, 695448), (36, 598858), (39, 552792), (52, 414594), (62, 347724), (72, 299429), (78, 276396), (93, 231816), (104, 207297), (117, 184264), (124, 173862), (156, 138198), (186, 115908), (234, 92132), (248, 86931), (279, 77272), (312, 69099), (372, 57954), (403, 53496), (468, 46066), (558, 38636), (743, 29016), (744, 28977), (806, 26748), (936, 23033), (1116, 19318), (1209, 17832), (1486, 14508), (1612, 13374), (2229, 9672), (2232, 9659), (2418, 8916), (2972, 7254), (3224, 6687), (3627, 5944), (4458, 4836)]