21393736

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29387}}^1$

素因数の和:29413

約数の個数: 32

約数和(自身を含む): 49371840

約数和(自身を除く): 27978104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29387, 58774, 117548, 205709, 235096, 382031, 411418, 764062, 822836, 1528124, 1645672, 2674217, 3056248, 5348434, 10696868, 21393736]

約数ペア:

[(1, 21393736), (2, 10696868), (4, 5348434), (7, 3056248), (8, 2674217), (13, 1645672), (14, 1528124), (26, 822836), (28, 764062), (52, 411418), (56, 382031), (91, 235096), (104, 205709), (182, 117548), (364, 58774), (728, 29387)]