21340656

素因数分解:

$2^4\times 3^2\times {\mathrm{148199}}^1$

素因数の和:148213

約数の個数: 30

約数和(自身を含む): 59724600

約数和(自身を除く): 38383944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148199, 296398, 444597, 592796, 889194, 1185592, 1333791, 1778388, 2371184, 2667582, 3556776, 5335164, 7113552, 10670328, 21340656]

約数ペア:

[(1, 21340656), (2, 10670328), (3, 7113552), (4, 5335164), (6, 3556776), (8, 2667582), (9, 2371184), (12, 1778388), (16, 1333791), (18, 1185592), (24, 889194), (36, 592796), (48, 444597), (72, 296398), (144, 148199)]