21431664

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4801}}^1$

素因数の和:4846

約数の個数: 60

約数和(自身を含む): 61926592

約数和(自身を除く): 40494928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4801, 9602, 14403, 19204, 28806, 38408, 43209, 57612, 76816, 86418, 115224, 148831, 172836, 230448, 297662, 345672, 446493, 595324, 691344, 892986, 1190648, 1339479, 1785972, 2381296, 2678958, 3571944, 5357916, 7143888, 10715832, 21431664]

約数ペア:

[(1, 21431664), (2, 10715832), (3, 7143888), (4, 5357916), (6, 3571944), (8, 2678958), (9, 2381296), (12, 1785972), (16, 1339479), (18, 1190648), (24, 892986), (31, 691344), (36, 595324), (48, 446493), (62, 345672), (72, 297662), (93, 230448), (124, 172836), (144, 148831), (186, 115224), (248, 86418), (279, 76816), (372, 57612), (496, 43209), (558, 38408), (744, 28806), (1116, 19204), (1488, 14403), (2232, 9602), (4464, 4801)]