21102704

素因数分解:

$2^4\times 7^1\times {\mathrm{188417}}^1$

素因数の和:188432

約数の個数: 20

約数和(自身を含む): 46727664

約数和(自身を除く): 25624960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188417, 376834, 753668, 1318919, 1507336, 2637838, 3014672, 5275676, 10551352, 21102704]

約数ペア:

[(1, 21102704), (2, 10551352), (4, 5275676), (7, 3014672), (8, 2637838), (14, 1507336), (16, 1318919), (28, 753668), (56, 376834), (112, 188417)]