21551328

素因数分解:

$2^5\times 3^2\times {\mathrm{74831}}^1$

素因数の和:74847

約数の個数: 36

約数和(自身を含む): 61287408

約数和(自身を除く): 39736080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 74831, 149662, 224493, 299324, 448986, 598648, 673479, 897972, 1197296, 1346958, 1795944, 2394592, 2693916, 3591888, 5387832, 7183776, 10775664, 21551328]

約数ペア:

[(1, 21551328), (2, 10775664), (3, 7183776), (4, 5387832), (6, 3591888), (8, 2693916), (9, 2394592), (12, 1795944), (16, 1346958), (18, 1197296), (24, 897972), (32, 673479), (36, 598648), (48, 448986), (72, 299324), (96, 224493), (144, 149662), (288, 74831)]