21761530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18287}}^1$

素因数の和:18318

約数の個数: 32

約数和(自身を含む): 47402496

約数和(自身を除く): 25640966

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18287, 36574, 91435, 128009, 182870, 256018, 310879, 621758, 640045, 1280090, 1554395, 2176153, 3108790, 4352306, 10880765, 21761530]

約数ペア:

[(1, 21761530), (2, 10880765), (5, 4352306), (7, 3108790), (10, 2176153), (14, 1554395), (17, 1280090), (34, 640045), (35, 621758), (70, 310879), (85, 256018), (119, 182870), (170, 128009), (238, 91435), (595, 36574), (1190, 18287)]