21861138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9041}}^1$

素因数の和:9090

約数の個数: 32

約数和(自身を含む): 48609792

約数和(自身を除く): 26748654

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 9041, 18082, 27123, 54246, 117533, 235066, 280271, 352599, 560542, 705198, 840813, 1681626, 3643523, 7287046, 10930569, 21861138]

約数ペア:

[(1, 21861138), (2, 10930569), (3, 7287046), (6, 3643523), (13, 1681626), (26, 840813), (31, 705198), (39, 560542), (62, 352599), (78, 280271), (93, 235066), (186, 117533), (403, 54246), (806, 27123), (1209, 18082), (2418, 9041)]