21833090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 41696640

約数和(自身を除く): 19863550

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 755, 761, 1510, 1522, 2869, 3805, 5738, 7610, 14345, 14459, 28690, 28918, 72295, 114911, 144590, 229822, 574555, 1149110, 2183309, 4366618, 10916545, 21833090]

約数ペア:

[(1, 21833090), (2, 10916545), (5, 4366618), (10, 2183309), (19, 1149110), (38, 574555), (95, 229822), (151, 144590), (190, 114911), (302, 72295), (755, 28918), (761, 28690), (1510, 14459), (1522, 14345), (2869, 7610), (3805, 5738)]