21000270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41177}}^1$

素因数の和:41204

約数の個数: 32

約数和(自身を含む): 53366688

約数和(自身を除く): 32366418

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41177, 82354, 123531, 205885, 247062, 411770, 617655, 700009, 1235310, 1400018, 2100027, 3500045, 4200054, 7000090, 10500135, 21000270]

約数ペア:

[(1, 21000270), (2, 10500135), (3, 7000090), (5, 4200054), (6, 3500045), (10, 2100027), (15, 1400018), (17, 1235310), (30, 700009), (34, 617655), (51, 411770), (85, 247062), (102, 205885), (170, 123531), (255, 82354), (510, 41177)]