21855678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7573}}^1$

素因数の和:7628

約数の個数: 32

約数和(自身を含む): 48352416

約数和(自身を除く): 26496738

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7573, 15146, 22719, 45438, 98449, 196898, 280201, 295347, 560402, 590694, 840603, 1681206, 3642613, 7285226, 10927839, 21855678]

約数ペア:

[(1, 21855678), (2, 10927839), (3, 7285226), (6, 3642613), (13, 1681206), (26, 840603), (37, 590694), (39, 560402), (74, 295347), (78, 280201), (111, 196898), (222, 98449), (481, 45438), (962, 22719), (1443, 15146), (2886, 7573)]