21129300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 108

約数和(自身を含む): 70175196

約数和(自身を除く): 49045896

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1381, 1530, 1700, 2550, 2762, 3060, 3825, 4143, 5100, 5524, 6905, 7650, 8286, 12429, 13810, 15300, 16572, 20715, 23477, 24858, 27620, 34525, 41430, 46954, 49716, 62145, 69050, 70431, 82860, 93908, 103575, 117385, 124290, 138100, 140862, 207150, 211293, 234770, 248580, 281724, 310725, 352155, 414300, 422586, 469540, 586925, 621450, 704310, 845172, 1056465, 1173850, 1242900, 1408620, 1760775, 2112930, 2347700, 3521550, 4225860, 5282325, 7043100, 10564650, 21129300]

約数ペア:

[(1, 21129300), (2, 10564650), (3, 7043100), (4, 5282325), (5, 4225860), (6, 3521550), (9, 2347700), (10, 2112930), (12, 1760775), (15, 1408620), (17, 1242900), (18, 1173850), (20, 1056465), (25, 845172), (30, 704310), (34, 621450), (36, 586925), (45, 469540), (50, 422586), (51, 414300), (60, 352155), (68, 310725), (75, 281724), (85, 248580), (90, 234770), (100, 211293), (102, 207150), (150, 140862), (153, 138100), (170, 124290), (180, 117385), (204, 103575), (225, 93908), (255, 82860), (300, 70431), (306, 69050), (340, 62145), (425, 49716), (450, 46954), (510, 41430), (612, 34525), (765, 27620), (850, 24858), (900, 23477), (1020, 20715), (1275, 16572), (1381, 15300), (1530, 13810), (1700, 12429), (2550, 8286), (2762, 7650), (3060, 6905), (3825, 5524), (4143, 5100)]