21361476

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^2$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 50899632

約数和(自身を除く): 29538156

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 163, 201, 268, 326, 402, 489, 652, 804, 978, 1956, 10921, 21842, 26569, 32763, 43684, 53138, 65526, 79707, 106276, 131052, 159414, 318828, 1780123, 3560246, 5340369, 7120492, 10680738, 21361476]

約数ペア:

[(1, 21361476), (2, 10680738), (3, 7120492), (4, 5340369), (6, 3560246), (12, 1780123), (67, 318828), (134, 159414), (163, 131052), (201, 106276), (268, 79707), (326, 65526), (402, 53138), (489, 43684), (652, 32763), (804, 26569), (978, 21842), (1956, 10921)]