21987630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2053}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 69211584

約数和(自身を除く): 47223954

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2053, 2142, 3570, 4106, 5355, 6159, 10265, 10710, 12318, 14371, 18477, 20530, 28742, 30795, 34901, 36954, 43113, 61590, 69802, 71855, 86226, 92385, 104703, 129339, 143710, 174505, 184770, 209406, 215565, 244307, 258678, 314109, 349010, 431130, 488614, 523515, 628218, 646695, 732921, 1047030, 1221535, 1293390, 1465842, 1570545, 2198763, 2443070, 3141090, 3664605, 4397526, 7329210, 10993815, 21987630]

約数ペア:

[(1, 21987630), (2, 10993815), (3, 7329210), (5, 4397526), (6, 3664605), (7, 3141090), (9, 2443070), (10, 2198763), (14, 1570545), (15, 1465842), (17, 1293390), (18, 1221535), (21, 1047030), (30, 732921), (34, 646695), (35, 628218), (42, 523515), (45, 488614), (51, 431130), (63, 349010), (70, 314109), (85, 258678), (90, 244307), (102, 215565), (105, 209406), (119, 184770), (126, 174505), (153, 143710), (170, 129339), (210, 104703), (238, 92385), (255, 86226), (306, 71855), (315, 69802), (357, 61590), (510, 43113), (595, 36954), (630, 34901), (714, 30795), (765, 28742), (1071, 20530), (1190, 18477), (1530, 14371), (1785, 12318), (2053, 10710), (2142, 10265), (3570, 6159), (4106, 5355)]