21118410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 55135080

約数和(自身を除く): 34016670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 461, 509, 922, 1018, 1383, 1527, 2305, 2545, 2766, 3054, 4149, 4581, 4610, 5090, 6915, 7635, 8298, 9162, 13830, 15270, 20745, 22905, 41490, 45810, 234649, 469298, 703947, 1173245, 1407894, 2111841, 2346490, 3519735, 4223682, 7039470, 10559205, 21118410]

約数ペア:

[(1, 21118410), (2, 10559205), (3, 7039470), (5, 4223682), (6, 3519735), (9, 2346490), (10, 2111841), (15, 1407894), (18, 1173245), (30, 703947), (45, 469298), (90, 234649), (461, 45810), (509, 41490), (922, 22905), (1018, 20745), (1383, 15270), (1527, 13830), (2305, 9162), (2545, 8298), (2766, 7635), (3054, 6915), (4149, 5090), (4581, 4610)]