21080988

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{2333}}^1$

素因数の和:2594

約数の個数: 36

約数和(自身を含む): 53523288

約数和(自身を除く): 32442300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 1004, 1506, 2259, 2333, 3012, 4518, 4666, 6999, 9036, 9332, 13998, 20997, 27996, 41994, 83988, 585583, 1171166, 1756749, 2342332, 3513498, 5270247, 7026996, 10540494, 21080988]

約数ペア:

[(1, 21080988), (2, 10540494), (3, 7026996), (4, 5270247), (6, 3513498), (9, 2342332), (12, 1756749), (18, 1171166), (36, 585583), (251, 83988), (502, 41994), (753, 27996), (1004, 20997), (1506, 13998), (2259, 9332), (2333, 9036), (3012, 6999), (4518, 4666)]