21616712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{599}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 22231288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 599, 694, 1198, 1388, 2396, 2776, 4511, 4792, 7787, 9022, 15574, 18044, 31148, 36088, 62296, 207853, 415706, 831412, 1662824, 2702089, 5404178, 10808356, 21616712]

約数ペア:

[(1, 21616712), (2, 10808356), (4, 5404178), (8, 2702089), (13, 1662824), (26, 831412), (52, 415706), (104, 207853), (347, 62296), (599, 36088), (694, 31148), (1198, 18044), (1388, 15574), (2396, 9022), (2776, 7787), (4511, 4792)]