21667233

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 34578432

約数和(自身を除く): 12911199

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 401, 581, 651, 1203, 1743, 2573, 2807, 7719, 8421, 12431, 18011, 33283, 37293, 54033, 87017, 99849, 232981, 261051, 698943, 1031773, 3095319, 7222411, 21667233]

約数ペア:

[(1, 21667233), (3, 7222411), (7, 3095319), (21, 1031773), (31, 698943), (83, 261051), (93, 232981), (217, 99849), (249, 87017), (401, 54033), (581, 37293), (651, 33283), (1203, 18011), (1743, 12431), (2573, 8421), (2807, 7719)]