21801232

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 44032896

約数和(自身を除く): 22231664

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 212, 376, 424, 547, 752, 848, 1094, 2188, 2491, 4376, 4982, 8752, 9964, 19928, 25709, 28991, 39856, 51418, 57982, 102836, 115964, 205672, 231928, 411344, 463856, 1362577, 2725154, 5450308, 10900616, 21801232]

約数ペア:

[(1, 21801232), (2, 10900616), (4, 5450308), (8, 2725154), (16, 1362577), (47, 463856), (53, 411344), (94, 231928), (106, 205672), (188, 115964), (212, 102836), (376, 57982), (424, 51418), (547, 39856), (752, 28991), (848, 25709), (1094, 19928), (2188, 9964), (2491, 8752), (4376, 4982)]