21002160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87509}}^1$

素因数の和:87525

約数の個数: 40

約数和(自身を含む): 65107440

約数和(自身を除く): 44105280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87509, 175018, 262527, 350036, 437545, 525054, 700072, 875090, 1050108, 1312635, 1400144, 1750180, 2100216, 2625270, 3500360, 4200432, 5250540, 7000720, 10501080, 21002160]

約数ペア:

[(1, 21002160), (2, 10501080), (3, 7000720), (4, 5250540), (5, 4200432), (6, 3500360), (8, 2625270), (10, 2100216), (12, 1750180), (15, 1400144), (16, 1312635), (20, 1050108), (24, 875090), (30, 700072), (40, 525054), (48, 437545), (60, 350036), (80, 262527), (120, 175018), (240, 87509)]