21183370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3467}}^1$

素因数の和:3534

約数の個数: 32

約数和(自身を含む): 41948928

約数和(自身を除く): 20765558

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3467, 6110, 6934, 17335, 34670, 45071, 90142, 162949, 225355, 325898, 450710, 814745, 1629490, 2118337, 4236674, 10591685, 21183370]

約数ペア:

[(1, 21183370), (2, 10591685), (5, 4236674), (10, 2118337), (13, 1629490), (26, 814745), (47, 450710), (65, 325898), (94, 225355), (130, 162949), (235, 90142), (470, 45071), (611, 34670), (1222, 17335), (3055, 6934), (3467, 6110)]