21346052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{347}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 46381440

約数和(自身を除く): 25035388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 347, 364, 676, 694, 1183, 1388, 2197, 2366, 2429, 4394, 4511, 4732, 4858, 8788, 9022, 9716, 15379, 18044, 30758, 31577, 58643, 61516, 63154, 117286, 126308, 234572, 410501, 762359, 821002, 1524718, 1642004, 3049436, 5336513, 10673026, 21346052]

約数ペア:

[(1, 21346052), (2, 10673026), (4, 5336513), (7, 3049436), (13, 1642004), (14, 1524718), (26, 821002), (28, 762359), (52, 410501), (91, 234572), (169, 126308), (182, 117286), (338, 63154), (347, 61516), (364, 58643), (676, 31577), (694, 30758), (1183, 18044), (1388, 15379), (2197, 9716), (2366, 9022), (2429, 8788), (4394, 4858), (4511, 4732)]