21967825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 10601519

約数列:

[1, 5, 11, 17, 25, 37, 55, 85, 127, 185, 187, 275, 407, 425, 629, 635, 925, 935, 1397, 2035, 2159, 3145, 3175, 4675, 4699, 6919, 6985, 10175, 10795, 15725, 23495, 23749, 34595, 34925, 51689, 53975, 79883, 117475, 118745, 172975, 258445, 399415, 593725, 878713, 1292225, 1997075, 4393565, 21967825]

約数ペア:

[(1, 21967825), (5, 4393565), (11, 1997075), (17, 1292225), (25, 878713), (37, 593725), (55, 399415), (85, 258445), (127, 172975), (185, 118745), (187, 117475), (275, 79883), (407, 53975), (425, 51689), (629, 34925), (635, 34595), (925, 23749), (935, 23495), (1397, 15725), (2035, 10795), (2159, 10175), (3145, 6985), (3175, 6919), (4675, 4699)]