21646412

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{977}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 17786548

約数列:

[1, 2, 4, 29, 58, 116, 191, 382, 764, 977, 1954, 3908, 5539, 11078, 22156, 28333, 56666, 113332, 186607, 373214, 746428, 5411603, 10823206, 21646412]

約数ペア:

[(1, 21646412), (2, 10823206), (4, 5411603), (29, 746428), (58, 373214), (116, 186607), (191, 113332), (382, 56666), (764, 28333), (977, 22156), (1954, 11078), (3908, 5539)]