21677908

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8699}}^1$

素因数の和:8799

約数の個数: 24

約数和(自身を含む): 43848000

約数和(自身を除く): 22170092

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8699, 17398, 34796, 60893, 121786, 243572, 774211, 1548422, 3096844, 5419477, 10838954, 21677908]

約数ペア:

[(1, 21677908), (2, 10838954), (4, 5419477), (7, 3096844), (14, 1548422), (28, 774211), (89, 243572), (178, 121786), (356, 60893), (623, 34796), (1246, 17398), (2492, 8699)]