21686292080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15945803}}^1$

素因数の和:15945833

約数の個数: 40

約数和(自身を含む): 53386551792

約数和(自身を除く): 31700259712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15945803, 31891606, 63783212, 79729015, 127566424, 159458030, 255132848, 271078651, 318916060, 542157302, 637832120, 1084314604, 1275664240, 1355393255, 2168629208, 2710786510, 4337258416, 5421573020, 10843146040, 21686292080]

約数ペア:

[(1, 21686292080), (2, 10843146040), (4, 5421573020), (5, 4337258416), (8, 2710786510), (10, 2168629208), (16, 1355393255), (17, 1275664240), (20, 1084314604), (34, 637832120), (40, 542157302), (68, 318916060), (80, 271078651), (85, 255132848), (136, 159458030), (170, 127566424), (272, 79729015), (340, 63783212), (680, 31891606), (1360, 15945803)]