21363823

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 2386673

約数列:

[1, 13, 53, 101, 307, 689, 1313, 3991, 5353, 16271, 31007, 69589, 211523, 403091, 1643371, 21363823]

約数ペア:

[(1, 21363823), (13, 1643371), (53, 403091), (101, 211523), (307, 69589), (689, 31007), (1313, 16271), (3991, 5353)]