21496075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 29007072

約数和(自身を除く): 7510997

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1367, 3145, 6835, 15725, 23239, 34175, 50579, 116195, 252895, 580975, 859843, 1264475, 4299215, 21496075]

約数ペア:

[(1, 21496075), (5, 4299215), (17, 1264475), (25, 859843), (37, 580975), (85, 252895), (185, 116195), (425, 50579), (629, 34175), (925, 23239), (1367, 15725), (3145, 6835)]