21023130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 51792480

約数和(自身を除く): 30769350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 379, 430, 645, 758, 1137, 1290, 1849, 1895, 2274, 3698, 3790, 5547, 5685, 9245, 11094, 11370, 16297, 18490, 27735, 32594, 48891, 55470, 81485, 97782, 162970, 244455, 488910, 700771, 1401542, 2102313, 3503855, 4204626, 7007710, 10511565, 21023130]

約数ペア:

[(1, 21023130), (2, 10511565), (3, 7007710), (5, 4204626), (6, 3503855), (10, 2102313), (15, 1401542), (30, 700771), (43, 488910), (86, 244455), (129, 162970), (215, 97782), (258, 81485), (379, 55470), (430, 48891), (645, 32594), (758, 27735), (1137, 18490), (1290, 16297), (1849, 11370), (1895, 11094), (2274, 9245), (3698, 5685), (3790, 5547)]