21069672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67531}}^1$

素因数の和:67553

約数の個数: 32

約数和(自身を含む): 56726880

約数和(自身を除く): 35657208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67531, 135062, 202593, 270124, 405186, 540248, 810372, 877903, 1620744, 1755806, 2633709, 3511612, 5267418, 7023224, 10534836, 21069672]

約数ペア:

[(1, 21069672), (2, 10534836), (3, 7023224), (4, 5267418), (6, 3511612), (8, 2633709), (12, 1755806), (13, 1620744), (24, 877903), (26, 810372), (39, 540248), (52, 405186), (78, 270124), (104, 202593), (156, 135062), (312, 67531)]