21030430

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 39299904

約数和(自身を除く): 18269474

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 503, 565, 1006, 1130, 2515, 4181, 5030, 8362, 18611, 20905, 37222, 41810, 56839, 93055, 113678, 186110, 284195, 568390, 2103043, 4206086, 10515215, 21030430]

約数ペア:

[(1, 21030430), (2, 10515215), (5, 4206086), (10, 2103043), (37, 568390), (74, 284195), (113, 186110), (185, 113678), (226, 93055), (370, 56839), (503, 41810), (565, 37222), (1006, 20905), (1130, 18611), (2515, 8362), (4181, 5030)]