21254544

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2203}}^1$

素因数の和:2284

約数の個数: 60

約数和(自身を含む): 60398416

約数和(自身を除く): 39143872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2203, 2412, 3216, 4406, 4824, 6609, 8812, 9648, 13218, 17624, 19827, 26436, 35248, 39654, 52872, 79308, 105744, 147601, 158616, 295202, 317232, 442803, 590404, 885606, 1180808, 1328409, 1771212, 2361616, 2656818, 3542424, 5313636, 7084848, 10627272, 21254544]

約数ペア:

[(1, 21254544), (2, 10627272), (3, 7084848), (4, 5313636), (6, 3542424), (8, 2656818), (9, 2361616), (12, 1771212), (16, 1328409), (18, 1180808), (24, 885606), (36, 590404), (48, 442803), (67, 317232), (72, 295202), (134, 158616), (144, 147601), (201, 105744), (268, 79308), (402, 52872), (536, 39654), (603, 35248), (804, 26436), (1072, 19827), (1206, 17624), (1608, 13218), (2203, 9648), (2412, 8812), (3216, 6609), (4406, 4824)]