21583924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3191}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 18635276

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3191, 3382, 6382, 6764, 12764, 60629, 121258, 242516, 283999, 567998, 1135996, 5395981, 10791962, 21583924]

約数ペア:

[(1, 21583924), (2, 10791962), (4, 5395981), (19, 1135996), (38, 567998), (76, 283999), (89, 242516), (178, 121258), (356, 60629), (1691, 12764), (3191, 6764), (3382, 6382)]