21265432

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2459}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21243368

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2459, 4324, 4918, 8648, 9836, 19672, 56557, 113114, 115573, 226228, 231146, 452456, 462292, 924584, 2658179, 5316358, 10632716, 21265432]

約数ペア:

[(1, 21265432), (2, 10632716), (4, 5316358), (8, 2658179), (23, 924584), (46, 462292), (47, 452456), (92, 231146), (94, 226228), (184, 115573), (188, 113114), (376, 56557), (1081, 19672), (2162, 9836), (2459, 8648), (4324, 4918)]