21904370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1117}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 41294448

約数和(自身を除く): 19390078

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1117, 1961, 2234, 3922, 5585, 9805, 11170, 19610, 41329, 59201, 82658, 118402, 206645, 296005, 413290, 592010, 2190437, 4380874, 10952185, 21904370]

約数ペア:

[(1, 21904370), (2, 10952185), (5, 4380874), (10, 2190437), (37, 592010), (53, 413290), (74, 296005), (106, 206645), (185, 118402), (265, 82658), (370, 59201), (530, 41329), (1117, 19610), (1961, 11170), (2234, 9805), (3922, 5585)]