21928590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{337}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 58893120

約数和(自身を除く): 36964530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 241, 270, 337, 482, 674, 723, 1011, 1205, 1446, 1685, 2022, 2169, 2410, 3033, 3370, 3615, 4338, 5055, 6066, 6507, 7230, 9099, 10110, 10845, 13014, 15165, 18198, 21690, 30330, 32535, 45495, 65070, 81217, 90990, 162434, 243651, 406085, 487302, 730953, 812170, 1218255, 1461906, 2192859, 2436510, 3654765, 4385718, 7309530, 10964295, 21928590]

約数ペア:

[(1, 21928590), (2, 10964295), (3, 7309530), (5, 4385718), (6, 3654765), (9, 2436510), (10, 2192859), (15, 1461906), (18, 1218255), (27, 812170), (30, 730953), (45, 487302), (54, 406085), (90, 243651), (135, 162434), (241, 90990), (270, 81217), (337, 65070), (482, 45495), (674, 32535), (723, 30330), (1011, 21690), (1205, 18198), (1446, 15165), (1685, 13014), (2022, 10845), (2169, 10110), (2410, 9099), (3033, 7230), (3370, 6507), (3615, 6066), (4338, 5055)]