21091830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6961}}^1$

素因数の和:7072

約数の個数: 32

約数和(自身を含む): 51128928

約数和(自身を除く): 30037098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 6961, 13922, 20883, 34805, 41766, 69610, 104415, 208830, 703061, 1406122, 2109183, 3515305, 4218366, 7030610, 10545915, 21091830]

約数ペア:

[(1, 21091830), (2, 10545915), (3, 7030610), (5, 4218366), (6, 3515305), (10, 2109183), (15, 1406122), (30, 703061), (101, 208830), (202, 104415), (303, 69610), (505, 41766), (606, 34805), (1010, 20883), (1515, 13922), (3030, 6961)]