21841740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121343}}^1$

素因数の和:121358

約数の個数: 36

約数和(自身を含む): 66253824

約数和(自身を除く): 44412084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121343, 242686, 364029, 485372, 606715, 728058, 1092087, 1213430, 1456116, 1820145, 2184174, 2426860, 3640290, 4368348, 5460435, 7280580, 10920870, 21841740]

約数ペア:

[(1, 21841740), (2, 10920870), (3, 7280580), (4, 5460435), (5, 4368348), (6, 3640290), (9, 2426860), (10, 2184174), (12, 1820145), (15, 1456116), (18, 1213430), (20, 1092087), (30, 728058), (36, 606715), (45, 485372), (60, 364029), (90, 242686), (180, 121343)]