21345030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 96

約数和(自身を含む): 67189824

約数和(自身を除く): 45844794

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, 1993, 2142, 3570, 3986, 5355, 5979, 9965, 10710, 11958, 13951, 17937, 19930, 27902, 29895, 33881, 35874, 41853, 59790, 67762, 69755, 83706, 89685, 101643, 125559, 139510, 169405, 179370, 203286, 209265, 237167, 251118, 304929, 338810, 418530, 474334, 508215, 609858, 627795, 711501, 1016430, 1185835, 1255590, 1423002, 1524645, 2134503, 2371670, 3049290, 3557505, 4269006, 7115010, 10672515, 21345030]

約数ペア:

[(1, 21345030), (2, 10672515), (3, 7115010), (5, 4269006), (6, 3557505), (7, 3049290), (9, 2371670), (10, 2134503), (14, 1524645), (15, 1423002), (17, 1255590), (18, 1185835), (21, 1016430), (30, 711501), (34, 627795), (35, 609858), (42, 508215), (45, 474334), (51, 418530), (63, 338810), (70, 304929), (85, 251118), (90, 237167), (102, 209265), (105, 203286), (119, 179370), (126, 169405), (153, 139510), (170, 125559), (210, 101643), (238, 89685), (255, 83706), (306, 69755), (315, 67762), (357, 59790), (510, 41853), (595, 35874), (630, 33881), (714, 29895), (765, 27902), (1071, 19930), (1190, 17937), (1530, 13951), (1785, 11958), (1993, 10710), (2142, 9965), (3570, 5979), (3986, 5355)]