21924180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^2$

素因数の和:713

約数の個数: 54

約数和(自身を含む): 66694446

約数和(自身を除く): 44770266

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6282, 6980, 10470, 12564, 15705, 20940, 31410, 62820, 121801, 243602, 365403, 487204, 609005, 730806, 1096209, 1218010, 1461612, 1827015, 2192418, 2436020, 3654030, 4384836, 5481045, 7308060, 10962090, 21924180]

約数ペア:

[(1, 21924180), (2, 10962090), (3, 7308060), (4, 5481045), (5, 4384836), (6, 3654030), (9, 2436020), (10, 2192418), (12, 1827015), (15, 1461612), (18, 1218010), (20, 1096209), (30, 730806), (36, 609005), (45, 487204), (60, 365403), (90, 243602), (180, 121801), (349, 62820), (698, 31410), (1047, 20940), (1396, 15705), (1745, 12564), (2094, 10470), (3141, 6980), (3490, 6282), (4188, 5235)]