21441960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59561}}^1$

素因数の和:59578

約数の個数: 48

約数和(自身を含む): 69687540

約数和(自身を除く): 48245580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59561, 119122, 178683, 238244, 297805, 357366, 476488, 536049, 595610, 714732, 893415, 1072098, 1191220, 1429464, 1786830, 2144196, 2382440, 2680245, 3573660, 4288392, 5360490, 7147320, 10720980, 21441960]

約数ペア:

[(1, 21441960), (2, 10720980), (3, 7147320), (4, 5360490), (5, 4288392), (6, 3573660), (8, 2680245), (9, 2382440), (10, 2144196), (12, 1786830), (15, 1429464), (18, 1191220), (20, 1072098), (24, 893415), (30, 714732), (36, 595610), (40, 536049), (45, 476488), (60, 357366), (72, 297805), (90, 238244), (120, 178683), (180, 119122), (360, 59561)]