21032487

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5892

約数の個数: 32

約数和(自身を含む): 37491200

約数和(自身を除く): 16458713

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5857, 17571, 40999, 52713, 111283, 122997, 158139, 333849, 368991, 778981, 1001547, 1106973, 2336943, 3004641, 7010829, 21032487]

約数ペア:

[(1, 21032487), (3, 7010829), (7, 3004641), (9, 2336943), (19, 1106973), (21, 1001547), (27, 778981), (57, 368991), (63, 333849), (133, 158139), (171, 122997), (189, 111283), (399, 52713), (513, 40999), (1197, 17571), (3591, 5857)]