21700532

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2160

約数の個数: 36

約数和(自身を含む): 45031140

約数和(自身を除く): 23330608

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2089, 2597, 4178, 5194, 8356, 10388, 14623, 29246, 58492, 102361, 110717, 204722, 221434, 409444, 442868, 775019, 1550038, 3100076, 5425133, 10850266, 21700532]

約数ペア:

[(1, 21700532), (2, 10850266), (4, 5425133), (7, 3100076), (14, 1550038), (28, 775019), (49, 442868), (53, 409444), (98, 221434), (106, 204722), (196, 110717), (212, 102361), (371, 58492), (742, 29246), (1484, 14623), (2089, 10388), (2597, 8356), (4178, 5194)]