21439782

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4394

約数の個数: 64

約数和(自身を含む): 58652160

約数和(自身を除く): 37212378

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4363, 4914, 8726, 13089, 26178, 30541, 39267, 56719, 61082, 78534, 91623, 113438, 117801, 170157, 183246, 235602, 274869, 340314, 397033, 510471, 549738, 794066, 824607, 1020942, 1191099, 1531413, 1649214, 2382198, 3062826, 3573297, 7146594, 10719891, 21439782]

約数ペア:

[(1, 21439782), (2, 10719891), (3, 7146594), (6, 3573297), (7, 3062826), (9, 2382198), (13, 1649214), (14, 1531413), (18, 1191099), (21, 1020942), (26, 824607), (27, 794066), (39, 549738), (42, 510471), (54, 397033), (63, 340314), (78, 274869), (91, 235602), (117, 183246), (126, 170157), (182, 117801), (189, 113438), (234, 91623), (273, 78534), (351, 61082), (378, 56719), (546, 39267), (702, 30541), (819, 26178), (1638, 13089), (2457, 8726), (4363, 4914)]