21712472

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 41806800

約数和(自身を除く): 20094328

約数列:

[1, 2, 4, 8, 59, 118, 157, 236, 293, 314, 472, 586, 628, 1172, 1256, 2344, 9263, 17287, 18526, 34574, 37052, 46001, 69148, 74104, 92002, 138296, 184004, 368008, 2714059, 5428118, 10856236, 21712472]

約数ペア:

[(1, 21712472), (2, 10856236), (4, 5428118), (8, 2714059), (59, 368008), (118, 184004), (157, 138296), (236, 92002), (293, 74104), (314, 69148), (472, 46001), (586, 37052), (628, 34574), (1172, 18526), (1256, 17287), (2344, 9263)]