21760980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3739}}^1$

素因数の和:3848

約数の個数: 48

約数和(自身を含む): 61575360

約数和(自身を除く): 39814380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3739, 5820, 7478, 11217, 14956, 18695, 22434, 37390, 44868, 56085, 74780, 112170, 224340, 362683, 725366, 1088049, 1450732, 1813415, 2176098, 3626830, 4352196, 5440245, 7253660, 10880490, 21760980]

約数ペア:

[(1, 21760980), (2, 10880490), (3, 7253660), (4, 5440245), (5, 4352196), (6, 3626830), (10, 2176098), (12, 1813415), (15, 1450732), (20, 1088049), (30, 725366), (60, 362683), (97, 224340), (194, 112170), (291, 74780), (388, 56085), (485, 44868), (582, 37390), (970, 22434), (1164, 18695), (1455, 14956), (1940, 11217), (2910, 7478), (3739, 5820)]