221421018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9431}}^1$

素因数の和:9499

約数の個数: 64

約数和(自身を含む): 557770752

約数和(自身を除く): 336349734

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 903, 1118, 1677, 1806, 3354, 3913, 7826, 9431, 11739, 18862, 23478, 28293, 56586, 66017, 122603, 132034, 198051, 245206, 367809, 396102, 405533, 735618, 811066, 858221, 1216599, 1716442, 2433198, 2574663, 2838731, 5149326, 5271929, 5677462, 8516193, 10543858, 15815787, 17032386, 31631574, 36903503, 73807006, 110710509, 221421018]

約数ペア:

[(1, 221421018), (2, 110710509), (3, 73807006), (6, 36903503), (7, 31631574), (13, 17032386), (14, 15815787), (21, 10543858), (26, 8516193), (39, 5677462), (42, 5271929), (43, 5149326), (78, 2838731), (86, 2574663), (91, 2433198), (129, 1716442), (182, 1216599), (258, 858221), (273, 811066), (301, 735618), (546, 405533), (559, 396102), (602, 367809), (903, 245206), (1118, 198051), (1677, 132034), (1806, 122603), (3354, 66017), (3913, 56586), (7826, 28293), (9431, 23478), (11739, 18862)]