21487344

素因数分解:

$2^4\times 3^1\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1457

約数の個数: 40

約数和(自身を含む): 55688400

約数和(自身を除く): 34201056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449, 898, 997, 1347, 1796, 1994, 2694, 2991, 3592, 3988, 5388, 5982, 7184, 7976, 10776, 11964, 15952, 21552, 23928, 47856, 447653, 895306, 1342959, 1790612, 2685918, 3581224, 5371836, 7162448, 10743672, 21487344]

約数ペア:

[(1, 21487344), (2, 10743672), (3, 7162448), (4, 5371836), (6, 3581224), (8, 2685918), (12, 1790612), (16, 1342959), (24, 895306), (48, 447653), (449, 47856), (898, 23928), (997, 21552), (1347, 15952), (1796, 11964), (1994, 10776), (2694, 7976), (2991, 7184), (3592, 5982), (3988, 5388)]