21812610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 55135872

約数和(自身を除く): 33323262

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 457, 555, 645, 914, 1110, 1290, 1371, 1591, 2285, 2742, 3182, 4570, 4773, 6855, 7955, 9546, 13710, 15910, 16909, 19651, 23865, 33818, 39302, 47730, 50727, 58953, 84545, 98255, 101454, 117906, 169090, 196510, 253635, 294765, 507270, 589530, 727087, 1454174, 2181261, 3635435, 4362522, 7270870, 10906305, 21812610]

約数ペア:

[(1, 21812610), (2, 10906305), (3, 7270870), (5, 4362522), (6, 3635435), (10, 2181261), (15, 1454174), (30, 727087), (37, 589530), (43, 507270), (74, 294765), (86, 253635), (111, 196510), (129, 169090), (185, 117906), (215, 101454), (222, 98255), (258, 84545), (370, 58953), (430, 50727), (457, 47730), (555, 39302), (645, 33818), (914, 23865), (1110, 19651), (1290, 16909), (1371, 15910), (1591, 13710), (2285, 9546), (2742, 7955), (3182, 6855), (4570, 4773)]