21724364

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 17920276

約数列:

[1, 2, 4, 29, 58, 116, 137, 274, 548, 1367, 2734, 3973, 5468, 7946, 15892, 39643, 79286, 158572, 187279, 374558, 749116, 5431091, 10862182, 21724364]

約数ペア:

[(1, 21724364), (2, 10862182), (4, 5431091), (29, 749116), (58, 374558), (116, 187279), (137, 158572), (274, 79286), (548, 39643), (1367, 15892), (2734, 7946), (3973, 5468)]