21800104

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 21100376

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1567, 1739, 3134, 3478, 6268, 6956, 12536, 13912, 57979, 73649, 115958, 147298, 231916, 294596, 463832, 589192, 2725013, 5450026, 10900052, 21800104]

約数ペア:

[(1, 21800104), (2, 10900052), (4, 5450026), (8, 2725013), (37, 589192), (47, 463832), (74, 294596), (94, 231916), (148, 147298), (188, 115958), (296, 73649), (376, 57979), (1567, 13912), (1739, 12536), (3134, 6956), (3478, 6268)]