21546876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3733}}^1$

素因数の和:3790

約数の個数: 48

約数和(自身を含む): 55621664

約数和(自身を除く): 34074788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3733, 5772, 7466, 11199, 14932, 22398, 44796, 48529, 97058, 138121, 145587, 194116, 276242, 291174, 414363, 552484, 582348, 828726, 1657452, 1795573, 3591146, 5386719, 7182292, 10773438, 21546876]

約数ペア:

[(1, 21546876), (2, 10773438), (3, 7182292), (4, 5386719), (6, 3591146), (12, 1795573), (13, 1657452), (26, 828726), (37, 582348), (39, 552484), (52, 414363), (74, 291174), (78, 276242), (111, 194116), (148, 145587), (156, 138121), (222, 97058), (444, 48529), (481, 44796), (962, 22398), (1443, 14932), (1924, 11199), (2886, 7466), (3733, 5772)]