21795585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{827}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 18266367

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 827, 1255, 1757, 2481, 3765, 4135, 5271, 5789, 8785, 12405, 17367, 26355, 28945, 86835, 207577, 622731, 1037885, 1453039, 3113655, 4359117, 7265195, 21795585]

約数ペア:

[(1, 21795585), (3, 7265195), (5, 4359117), (7, 3113655), (15, 1453039), (21, 1037885), (35, 622731), (105, 207577), (251, 86835), (753, 28945), (827, 26355), (1255, 17367), (1757, 12405), (2481, 8785), (3765, 5789), (4135, 5271)]