21935697

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 34809600

約数和(自身を除く): 12873903

約数列:

[1, 3, 7, 21, 41, 73, 123, 219, 287, 349, 511, 861, 1047, 1533, 2443, 2993, 7329, 8979, 14309, 20951, 25477, 42927, 62853, 76431, 100163, 178339, 300489, 535017, 1044557, 3133671, 7311899, 21935697]

約数ペア:

[(1, 21935697), (3, 7311899), (7, 3133671), (21, 1044557), (41, 535017), (73, 300489), (123, 178339), (219, 100163), (287, 76431), (349, 62853), (511, 42927), (861, 25477), (1047, 20951), (1533, 14309), (2443, 8979), (2993, 7329)]