21847293

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 35414400

約数和(自身を除く): 13567107

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 871, 929, 1809, 2613, 2787, 7839, 8361, 12077, 23517, 25083, 36231, 62243, 108693, 186729, 326079, 560187, 809159, 1680561, 2427477, 7282431, 21847293]

約数ペア:

[(1, 21847293), (3, 7282431), (9, 2427477), (13, 1680561), (27, 809159), (39, 560187), (67, 326079), (117, 186729), (201, 108693), (351, 62243), (603, 36231), (871, 25083), (929, 23517), (1809, 12077), (2613, 8361), (2787, 7839)]