21238470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7151}}^1$

素因数の和:7178

約数の個数: 64

約数和(自身を含む): 61793280

約数和(自身を除く): 40554810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7151, 14302, 21453, 35755, 42906, 64359, 71510, 78661, 107265, 128718, 157322, 193077, 214530, 235983, 321795, 386154, 393305, 471966, 643590, 707949, 786610, 965385, 1179915, 1415898, 1930770, 2123847, 2359830, 3539745, 4247694, 7079490, 10619235, 21238470]

約数ペア:

[(1, 21238470), (2, 10619235), (3, 7079490), (5, 4247694), (6, 3539745), (9, 2359830), (10, 2123847), (11, 1930770), (15, 1415898), (18, 1179915), (22, 965385), (27, 786610), (30, 707949), (33, 643590), (45, 471966), (54, 393305), (55, 386154), (66, 321795), (90, 235983), (99, 214530), (110, 193077), (135, 157322), (165, 128718), (198, 107265), (270, 78661), (297, 71510), (330, 64359), (495, 42906), (594, 35755), (990, 21453), (1485, 14302), (2970, 7151)]