21009414

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{937}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 43628256

約数和(自身を除く): 22618842

約数列:

[1, 2, 3, 6, 37, 74, 101, 111, 202, 222, 303, 606, 937, 1874, 2811, 3737, 5622, 7474, 11211, 22422, 34669, 69338, 94637, 104007, 189274, 208014, 283911, 567822, 3501569, 7003138, 10504707, 21009414]

約数ペア:

[(1, 21009414), (2, 10504707), (3, 7003138), (6, 3501569), (37, 567822), (74, 283911), (101, 208014), (111, 189274), (202, 104007), (222, 94637), (303, 69338), (606, 34669), (937, 22422), (1874, 11211), (2811, 7474), (3737, 5622)]