21569904

素因数分解:

$2^4\times 3^2\times {\mathrm{149791}}^1$

素因数の和:149805

約数の個数: 30

約数和(自身を含む): 60366176

約数和(自身を除く): 38796272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149791, 299582, 449373, 599164, 898746, 1198328, 1348119, 1797492, 2396656, 2696238, 3594984, 5392476, 7189968, 10784952, 21569904]

約数ペア:

[(1, 21569904), (2, 10784952), (3, 7189968), (4, 5392476), (6, 3594984), (8, 2696238), (9, 2396656), (12, 1797492), (16, 1348119), (18, 1198328), (24, 898746), (36, 599164), (48, 449373), (72, 299582), (144, 149791)]