21511464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68947}}^1$

素因数の和:68969

約数の個数: 32

約数和(自身を含む): 57916320

約数和(自身を除く): 36404856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68947, 137894, 206841, 275788, 413682, 551576, 827364, 896311, 1654728, 1792622, 2688933, 3585244, 5377866, 7170488, 10755732, 21511464]

約数ペア:

[(1, 21511464), (2, 10755732), (3, 7170488), (4, 5377866), (6, 3585244), (8, 2688933), (12, 1792622), (13, 1654728), (24, 896311), (26, 827364), (39, 551576), (52, 413682), (78, 275788), (104, 206841), (156, 137894), (312, 68947)]