21906900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 108

約数和(自身を含む): 69633564

約数和(自身を除く): 47726664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 101, 150, 180, 202, 225, 241, 300, 303, 404, 450, 482, 505, 606, 723, 900, 909, 964, 1010, 1205, 1212, 1446, 1515, 1818, 2020, 2169, 2410, 2525, 2892, 3030, 3615, 3636, 4338, 4545, 4820, 5050, 6025, 6060, 7230, 7575, 8676, 9090, 10100, 10845, 12050, 14460, 15150, 18075, 18180, 21690, 22725, 24100, 24341, 30300, 36150, 43380, 45450, 48682, 54225, 72300, 73023, 90900, 97364, 108450, 121705, 146046, 216900, 219069, 243410, 292092, 365115, 438138, 486820, 608525, 730230, 876276, 1095345, 1217050, 1460460, 1825575, 2190690, 2434100, 3651150, 4381380, 5476725, 7302300, 10953450, 21906900]

約数ペア:

[(1, 21906900), (2, 10953450), (3, 7302300), (4, 5476725), (5, 4381380), (6, 3651150), (9, 2434100), (10, 2190690), (12, 1825575), (15, 1460460), (18, 1217050), (20, 1095345), (25, 876276), (30, 730230), (36, 608525), (45, 486820), (50, 438138), (60, 365115), (75, 292092), (90, 243410), (100, 219069), (101, 216900), (150, 146046), (180, 121705), (202, 108450), (225, 97364), (241, 90900), (300, 73023), (303, 72300), (404, 54225), (450, 48682), (482, 45450), (505, 43380), (606, 36150), (723, 30300), (900, 24341), (909, 24100), (964, 22725), (1010, 21690), (1205, 18180), (1212, 18075), (1446, 15150), (1515, 14460), (1818, 12050), (2020, 10845), (2169, 10100), (2410, 9090), (2525, 8676), (2892, 7575), (3030, 7230), (3615, 6060), (3636, 6025), (4338, 5050), (4545, 4820)]