21765534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 52285440

約数和(自身を除く): 30519906

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 73, 93, 146, 186, 217, 219, 229, 434, 438, 458, 511, 651, 687, 1022, 1302, 1374, 1533, 1603, 2263, 3066, 3206, 4526, 4809, 6789, 7099, 9618, 13578, 14198, 15841, 16717, 21297, 31682, 33434, 42594, 47523, 49693, 50151, 95046, 99386, 100302, 117019, 149079, 234038, 298158, 351057, 518227, 702114, 1036454, 1554681, 3109362, 3627589, 7255178, 10882767, 21765534]

約数ペア:

[(1, 21765534), (2, 10882767), (3, 7255178), (6, 3627589), (7, 3109362), (14, 1554681), (21, 1036454), (31, 702114), (42, 518227), (62, 351057), (73, 298158), (93, 234038), (146, 149079), (186, 117019), (217, 100302), (219, 99386), (229, 95046), (434, 50151), (438, 49693), (458, 47523), (511, 42594), (651, 33434), (687, 31682), (1022, 21297), (1302, 16717), (1374, 15841), (1533, 14198), (1603, 13578), (2263, 9618), (3066, 7099), (3206, 6789), (4526, 4809)]