21205324

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44549}}^1$

素因数の和:44577

約数の個数: 24

約数和(自身を含む): 44906400

約数和(自身を除く): 23701076

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44549, 89098, 178196, 311843, 623686, 757333, 1247372, 1514666, 3029332, 5301331, 10602662, 21205324]

約数ペア:

[(1, 21205324), (2, 10602662), (4, 5301331), (7, 3029332), (14, 1514666), (17, 1247372), (28, 757333), (34, 623686), (68, 311843), (119, 178196), (238, 89098), (476, 44549)]