21167265860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1447}}^1\times {\mathrm{56263}}^1$

素因数の和:57732

約数の個数: 48

約数和(自身を含む): 47904519936

約数和(自身を除く): 26737254076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1447, 2894, 5788, 7235, 14470, 18811, 28940, 37622, 56263, 75244, 94055, 112526, 188110, 225052, 281315, 376220, 562630, 731419, 1125260, 1462838, 2925676, 3657095, 7314190, 14628380, 81412561, 162825122, 325650244, 407062805, 814125610, 1058363293, 1628251220, 2116726586, 4233453172, 5291816465, 10583632930, 21167265860]

約数ペア:

[(1, 21167265860), (2, 10583632930), (4, 5291816465), (5, 4233453172), (10, 2116726586), (13, 1628251220), (20, 1058363293), (26, 814125610), (52, 407062805), (65, 325650244), (130, 162825122), (260, 81412561), (1447, 14628380), (2894, 7314190), (5788, 3657095), (7235, 2925676), (14470, 1462838), (18811, 1125260), (28940, 731419), (37622, 562630), (56263, 376220), (75244, 281315), (94055, 225052), (112526, 188110)]