21312438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16369}}^1$

素因数の和:16412

約数の個数: 32

約数和(自身を含む): 50288640

約数和(自身を除く): 28976202

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16369, 32738, 49107, 98214, 114583, 229166, 343749, 507439, 687498, 1014878, 1522317, 3044634, 3552073, 7104146, 10656219, 21312438]

約数ペア:

[(1, 21312438), (2, 10656219), (3, 7104146), (6, 3552073), (7, 3044634), (14, 1522317), (21, 1014878), (31, 687498), (42, 507439), (62, 343749), (93, 229166), (186, 114583), (217, 98214), (434, 49107), (651, 32738), (1302, 16369)]