21698572

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 44528400

約数和(自身を除く): 22829828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 743, 1043, 1486, 2086, 2972, 4172, 5201, 7301, 10402, 14602, 20804, 29204, 36407, 72814, 110707, 145628, 221414, 442828, 774949, 1549898, 3099796, 5424643, 10849286, 21698572]

約数ペア:

[(1, 21698572), (2, 10849286), (4, 5424643), (7, 3099796), (14, 1549898), (28, 774949), (49, 442828), (98, 221414), (149, 145628), (196, 110707), (298, 72814), (596, 36407), (743, 29204), (1043, 20804), (1486, 14602), (2086, 10402), (2972, 7301), (4172, 5201)]