21519022

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 16911698

約数列:

[1, 2, 7, 14, 31, 62, 179, 217, 277, 358, 434, 554, 1253, 1939, 2506, 3878, 5549, 8587, 11098, 17174, 38843, 49583, 60109, 77686, 99166, 120218, 347081, 694162, 1537073, 3074146, 10759511, 21519022]

約数ペア:

[(1, 21519022), (2, 10759511), (7, 3074146), (14, 1537073), (31, 694162), (62, 347081), (179, 120218), (217, 99166), (277, 77686), (358, 60109), (434, 49583), (554, 38843), (1253, 17174), (1939, 11098), (2506, 8587), (3878, 5549)]