21167176556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{3167}}^1\times {\mathrm{87943}}^1$

素因数の和:91133

約数の個数: 24

約数和(自身を含む): 39004922880

約数和(自身を除く): 17837746324

約数列:

[1, 2, 4, 19, 38, 76, 3167, 6334, 12668, 60173, 87943, 120346, 175886, 240692, 351772, 1670917, 3341834, 6683668, 278515481, 557030962, 1114061924, 5291794139, 10583588278, 21167176556]

約数ペア:

[(1, 21167176556), (2, 10583588278), (4, 5291794139), (19, 1114061924), (38, 557030962), (76, 278515481), (3167, 6683668), (6334, 3341834), (12668, 1670917), (60173, 351772), (87943, 240692), (120346, 175886)]