21551149005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{295201}}^1$

素因数の和:295397

約数の個数: 32

約数和(自身を含む): 35820991488

約数和(自身を除く): 14269842483

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 465, 471, 785, 2355, 4867, 14601, 24335, 73005, 295201, 885603, 1476005, 4428015, 9151231, 27453693, 45756155, 46346557, 137268465, 139039671, 231732785, 695198355, 1436743267, 4310229801, 7183716335, 21551149005]

約数ペア:

[(1, 21551149005), (3, 7183716335), (5, 4310229801), (15, 1436743267), (31, 695198355), (93, 231732785), (155, 139039671), (157, 137268465), (465, 46346557), (471, 45756155), (785, 27453693), (2355, 9151231), (4867, 4428015), (14601, 1476005), (24335, 885603), (73005, 295201)]