21356350

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{8059}}^1$

素因数の和:8124

約数の個数: 24

約数和(自身を含む): 40477320

約数和(自身を除く): 19120970

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 8059, 16118, 40295, 80590, 201475, 402950, 427127, 854254, 2135635, 4271270, 10678175, 21356350]

約数ペア:

[(1, 21356350), (2, 10678175), (5, 4271270), (10, 2135635), (25, 854254), (50, 427127), (53, 402950), (106, 201475), (265, 80590), (530, 40295), (1325, 16118), (2650, 8059)]