21551544

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 67897440

約数和(自身を除く): 46345896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 61, 63, 72, 84, 122, 126, 168, 183, 244, 252, 366, 427, 488, 504, 549, 701, 732, 854, 1098, 1281, 1402, 1464, 1708, 2103, 2196, 2562, 2804, 3416, 3843, 4206, 4392, 4907, 5124, 5608, 6309, 7686, 8412, 9814, 10248, 12618, 14721, 15372, 16824, 19628, 25236, 29442, 30744, 39256, 42761, 44163, 50472, 58884, 85522, 88326, 117768, 128283, 171044, 176652, 256566, 299327, 342088, 353304, 384849, 513132, 598654, 769698, 897981, 1026264, 1197308, 1539396, 1795962, 2394616, 2693943, 3078792, 3591924, 5387886, 7183848, 10775772, 21551544]

約数ペア:

[(1, 21551544), (2, 10775772), (3, 7183848), (4, 5387886), (6, 3591924), (7, 3078792), (8, 2693943), (9, 2394616), (12, 1795962), (14, 1539396), (18, 1197308), (21, 1026264), (24, 897981), (28, 769698), (36, 598654), (42, 513132), (56, 384849), (61, 353304), (63, 342088), (72, 299327), (84, 256566), (122, 176652), (126, 171044), (168, 128283), (183, 117768), (244, 88326), (252, 85522), (366, 58884), (427, 50472), (488, 44163), (504, 42761), (549, 39256), (701, 30744), (732, 29442), (854, 25236), (1098, 19628), (1281, 16824), (1402, 15372), (1464, 14721), (1708, 12618), (2103, 10248), (2196, 9814), (2562, 8412), (2804, 7686), (3416, 6309), (3843, 5608), (4206, 5124), (4392, 4907)]