21095375132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{103043}}^1$

素因数の和:103218

約数の個数: 48

約数和(自身を含む): 41362685952

約数和(自身を除く): 20267310820

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 254, 403, 508, 806, 1612, 1651, 3302, 3937, 6604, 7874, 15748, 51181, 102362, 103043, 204724, 206086, 412172, 1339559, 2679118, 3194333, 5358236, 6388666, 12777332, 13086461, 26172922, 41526329, 52345844, 83052658, 166105316, 170123993, 340247986, 405680291, 680495972, 811360582, 1622721164, 5273843783, 10547687566, 21095375132]

約数ペア:

[(1, 21095375132), (2, 10547687566), (4, 5273843783), (13, 1622721164), (26, 811360582), (31, 680495972), (52, 405680291), (62, 340247986), (124, 170123993), (127, 166105316), (254, 83052658), (403, 52345844), (508, 41526329), (806, 26172922), (1612, 13086461), (1651, 12777332), (3302, 6388666), (3937, 5358236), (6604, 3194333), (7874, 2679118), (15748, 1339559), (51181, 412172), (102362, 206086), (103043, 204724)]