21122672

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45523}}^1$

素因数の和:45560

約数の個数: 20

約数和(自身を含む): 42337320

約数和(自身を除く): 21214648

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45523, 91046, 182092, 364184, 728368, 1320167, 2640334, 5280668, 10561336, 21122672]

約数ペア:

[(1, 21122672), (2, 10561336), (4, 5280668), (8, 2640334), (16, 1320167), (29, 728368), (58, 364184), (116, 182092), (232, 91046), (464, 45523)]