21441032

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 20138968

約数列:

[1, 2, 4, 8, 41, 82, 131, 164, 262, 328, 499, 524, 998, 1048, 1996, 3992, 5371, 10742, 20459, 21484, 40918, 42968, 65369, 81836, 130738, 163672, 261476, 522952, 2680129, 5360258, 10720516, 21441032]

約数ペア:

[(1, 21441032), (2, 10720516), (4, 5360258), (8, 2680129), (41, 522952), (82, 261476), (131, 163672), (164, 130738), (262, 81836), (328, 65369), (499, 42968), (524, 40918), (998, 21484), (1048, 20459), (1996, 10742), (3992, 5371)]