21061584

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 62481120

約数和(自身を除く): 41419536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 59, 67, 72, 74, 111, 118, 134, 144, 148, 177, 201, 222, 236, 268, 296, 333, 354, 402, 444, 472, 531, 536, 592, 603, 666, 708, 804, 888, 944, 1062, 1072, 1206, 1332, 1416, 1608, 1776, 2124, 2183, 2412, 2479, 2664, 2832, 3216, 3953, 4248, 4366, 4824, 4958, 5328, 6549, 7437, 7906, 8496, 8732, 9648, 9916, 11859, 13098, 14874, 15812, 17464, 19647, 19832, 22311, 23718, 26196, 29748, 31624, 34928, 35577, 39294, 39664, 44622, 47436, 52392, 59496, 63248, 71154, 78588, 89244, 94872, 104784, 118992, 142308, 146261, 157176, 178488, 189744, 284616, 292522, 314352, 356976, 438783, 569232, 585044, 877566, 1170088, 1316349, 1755132, 2340176, 2632698, 3510264, 5265396, 7020528, 10530792, 21061584]

約数ペア:

[(1, 21061584), (2, 10530792), (3, 7020528), (4, 5265396), (6, 3510264), (8, 2632698), (9, 2340176), (12, 1755132), (16, 1316349), (18, 1170088), (24, 877566), (36, 585044), (37, 569232), (48, 438783), (59, 356976), (67, 314352), (72, 292522), (74, 284616), (111, 189744), (118, 178488), (134, 157176), (144, 146261), (148, 142308), (177, 118992), (201, 104784), (222, 94872), (236, 89244), (268, 78588), (296, 71154), (333, 63248), (354, 59496), (402, 52392), (444, 47436), (472, 44622), (531, 39664), (536, 39294), (592, 35577), (603, 34928), (666, 31624), (708, 29748), (804, 26196), (888, 23718), (944, 22311), (1062, 19832), (1072, 19647), (1206, 17464), (1332, 15812), (1416, 14874), (1608, 13098), (1776, 11859), (2124, 9916), (2183, 9648), (2412, 8732), (2479, 8496), (2664, 7906), (2832, 7437), (3216, 6549), (3953, 5328), (4248, 4958), (4366, 4824)]