21508812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45959}}^1$

素因数の和:45982

約数の個数: 36

約数和(自身を含む): 58553040

約数和(自身を除く): 37044228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45959, 91918, 137877, 183836, 275754, 413631, 551508, 597467, 827262, 1194934, 1654524, 1792401, 2389868, 3584802, 5377203, 7169604, 10754406, 21508812]

約数ペア:

[(1, 21508812), (2, 10754406), (3, 7169604), (4, 5377203), (6, 3584802), (9, 2389868), (12, 1792401), (13, 1654524), (18, 1194934), (26, 827262), (36, 597467), (39, 551508), (52, 413631), (78, 275754), (117, 183836), (156, 137877), (234, 91918), (468, 45959)]