21815104

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7927}}^1$

素因数の和:7982

約数の個数: 28

約数和(自身を含む): 44301664

約数和(自身を除く): 22486560

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7927, 15854, 31708, 63416, 126832, 253664, 340861, 507328, 681722, 1363444, 2726888, 5453776, 10907552, 21815104]

約数ペア:

[(1, 21815104), (2, 10907552), (4, 5453776), (8, 2726888), (16, 1363444), (32, 681722), (43, 507328), (64, 340861), (86, 253664), (172, 126832), (344, 63416), (688, 31708), (1376, 15854), (2752, 7927)]