21970770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4493}}^1$

素因数の和:4666

約数の個数: 32

約数和(自身を含む): 53065152

約数和(自身を除く): 31094382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4493, 4890, 8986, 13479, 22465, 26958, 44930, 67395, 134790, 732359, 1464718, 2197077, 3661795, 4394154, 7323590, 10985385, 21970770]

約数ペア:

[(1, 21970770), (2, 10985385), (3, 7323590), (5, 4394154), (6, 3661795), (10, 2197077), (15, 1464718), (30, 732359), (163, 134790), (326, 67395), (489, 44930), (815, 26958), (978, 22465), (1630, 13479), (2445, 8986), (4493, 4890)]