21655830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103123}}^1$

素因数の和:103140

約数の個数: 32

約数和(自身を含む): 59399424

約数和(自身を除く): 37743594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103123, 206246, 309369, 515615, 618738, 721861, 1031230, 1443722, 1546845, 2165583, 3093690, 3609305, 4331166, 7218610, 10827915, 21655830]

約数ペア:

[(1, 21655830), (2, 10827915), (3, 7218610), (5, 4331166), (6, 3609305), (7, 3093690), (10, 2165583), (14, 1546845), (15, 1443722), (21, 1031230), (30, 721861), (35, 618738), (42, 515615), (70, 309369), (105, 206246), (210, 103123)]