21673830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 32613018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 67, 82, 123, 134, 201, 205, 246, 263, 335, 402, 410, 526, 615, 670, 789, 1005, 1230, 1315, 1578, 2010, 2630, 2747, 3945, 5494, 7890, 8241, 10783, 13735, 16482, 17621, 21566, 27470, 32349, 35242, 41205, 52863, 53915, 64698, 82410, 88105, 105726, 107830, 161745, 176210, 264315, 323490, 528630, 722461, 1444922, 2167383, 3612305, 4334766, 7224610, 10836915, 21673830]

約数ペア:

[(1, 21673830), (2, 10836915), (3, 7224610), (5, 4334766), (6, 3612305), (10, 2167383), (15, 1444922), (30, 722461), (41, 528630), (67, 323490), (82, 264315), (123, 176210), (134, 161745), (201, 107830), (205, 105726), (246, 88105), (263, 82410), (335, 64698), (402, 53915), (410, 52863), (526, 41205), (615, 35242), (670, 32349), (789, 27470), (1005, 21566), (1230, 17621), (1315, 16482), (1578, 13735), (2010, 10783), (2630, 8241), (2747, 7890), (3945, 5494)]