21245904

素因数分解:

$2^4\times 3^2\times {\mathrm{147541}}^1$

素因数の和:147555

約数の個数: 30

約数和(自身を含む): 59459426

約数和(自身を除く): 38213522

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147541, 295082, 442623, 590164, 885246, 1180328, 1327869, 1770492, 2360656, 2655738, 3540984, 5311476, 7081968, 10622952, 21245904]

約数ペア:

[(1, 21245904), (2, 10622952), (3, 7081968), (4, 5311476), (6, 3540984), (8, 2655738), (9, 2360656), (12, 1770492), (16, 1327869), (18, 1180328), (24, 885246), (36, 590164), (48, 442623), (72, 295082), (144, 147541)]