21209616

素因数分解:

$2^4\times 3^2\times {\mathrm{147289}}^1$

素因数の和:147303

約数の個数: 30

約数和(自身を含む): 59357870

約数和(自身を除く): 38148254

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147289, 294578, 441867, 589156, 883734, 1178312, 1325601, 1767468, 2356624, 2651202, 3534936, 5302404, 7069872, 10604808, 21209616]

約数ペア:

[(1, 21209616), (2, 10604808), (3, 7069872), (4, 5302404), (6, 3534936), (8, 2651202), (9, 2356624), (12, 1767468), (16, 1325601), (18, 1178312), (24, 883734), (36, 589156), (48, 441867), (72, 294578), (144, 147289)]