21768210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 59644800

約数和(自身を除く): 37876590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2179, 3330, 4358, 4995, 6537, 9990, 10895, 13074, 19611, 21790, 32685, 39222, 58833, 65370, 80623, 98055, 117666, 161246, 196110, 241869, 294165, 403115, 483738, 588330, 725607, 806230, 1209345, 1451214, 2176821, 2418690, 3628035, 4353642, 7256070, 10884105, 21768210]

約数ペア:

[(1, 21768210), (2, 10884105), (3, 7256070), (5, 4353642), (6, 3628035), (9, 2418690), (10, 2176821), (15, 1451214), (18, 1209345), (27, 806230), (30, 725607), (37, 588330), (45, 483738), (54, 403115), (74, 294165), (90, 241869), (111, 196110), (135, 161246), (185, 117666), (222, 98055), (270, 80623), (333, 65370), (370, 58833), (555, 39222), (666, 32685), (999, 21790), (1110, 19611), (1665, 13074), (1998, 10895), (2179, 9990), (3330, 6537), (4358, 4995)]