21303696

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 57774080

約数和(自身を除く): 36470384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 103, 124, 139, 186, 206, 248, 278, 309, 372, 412, 417, 496, 556, 618, 744, 824, 834, 1112, 1236, 1488, 1648, 1668, 2224, 2472, 3193, 3336, 4309, 4944, 6386, 6672, 8618, 9579, 12772, 12927, 14317, 17236, 19158, 25544, 25854, 28634, 34472, 38316, 42951, 51088, 51708, 57268, 68944, 76632, 85902, 103416, 114536, 153264, 171804, 206832, 229072, 343608, 443827, 687216, 887654, 1331481, 1775308, 2662962, 3550616, 5325924, 7101232, 10651848, 21303696]

約数ペア:

[(1, 21303696), (2, 10651848), (3, 7101232), (4, 5325924), (6, 3550616), (8, 2662962), (12, 1775308), (16, 1331481), (24, 887654), (31, 687216), (48, 443827), (62, 343608), (93, 229072), (103, 206832), (124, 171804), (139, 153264), (186, 114536), (206, 103416), (248, 85902), (278, 76632), (309, 68944), (372, 57268), (412, 51708), (417, 51088), (496, 42951), (556, 38316), (618, 34472), (744, 28634), (824, 25854), (834, 25544), (1112, 19158), (1236, 17236), (1488, 14317), (1648, 12927), (1668, 12772), (2224, 9579), (2472, 8618), (3193, 6672), (3336, 6386), (4309, 4944)]