21017406

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5628

約数の個数: 32

約数和(自身を含む): 45718560

約数和(自身を除く): 24701154

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774, 5569, 11138, 16707, 33414, 94673, 189346, 206053, 284019, 412106, 568038, 618159, 1236318, 3502901, 7005802, 10508703, 21017406]

約数ペア:

[(1, 21017406), (2, 10508703), (3, 7005802), (6, 3502901), (17, 1236318), (34, 618159), (37, 568038), (51, 412106), (74, 284019), (102, 206053), (111, 189346), (222, 94673), (629, 33414), (1258, 16707), (1887, 11138), (3774, 5569)]