21987546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{14149}}^1$

素因数の和:14198

約数の個数: 32

約数和(自身を含む): 51619200

約数和(自身を除く): 29631654

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 14149, 28298, 42447, 84894, 99043, 198086, 297129, 523513, 594258, 1047026, 1570539, 3141078, 3664591, 7329182, 10993773, 21987546]

約数ペア:

[(1, 21987546), (2, 10993773), (3, 7329182), (6, 3664591), (7, 3141078), (14, 1570539), (21, 1047026), (37, 594258), (42, 523513), (74, 297129), (111, 198086), (222, 99043), (259, 84894), (518, 42447), (777, 28298), (1554, 14149)]