21220590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41609}}^1$

素因数の和:41636

約数の個数: 32

約数和(自身を含む): 53926560

約数和(自身を除く): 32705970

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41609, 83218, 124827, 208045, 249654, 416090, 624135, 707353, 1248270, 1414706, 2122059, 3536765, 4244118, 7073530, 10610295, 21220590]

約数ペア:

[(1, 21220590), (2, 10610295), (3, 7073530), (5, 4244118), (6, 3536765), (10, 2122059), (15, 1414706), (17, 1248270), (30, 707353), (34, 624135), (51, 416090), (85, 249654), (102, 208045), (170, 124827), (255, 83218), (510, 41609)]