21871350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 63879840

約数和(自身を除く): 42008490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 850, 918, 953, 1275, 1350, 1530, 1906, 2295, 2550, 2859, 3825, 4590, 4765, 5718, 7650, 8577, 9530, 11475, 14295, 16201, 17154, 22950, 23825, 25731, 28590, 32402, 42885, 47650, 48603, 51462, 71475, 81005, 85770, 97206, 128655, 142950, 145809, 162010, 214425, 243015, 257310, 291618, 405025, 428850, 437427, 486030, 643275, 729045, 810050, 874854, 1215075, 1286550, 1458090, 2187135, 2430150, 3645225, 4374270, 7290450, 10935675, 21871350]

約数ペア:

[(1, 21871350), (2, 10935675), (3, 7290450), (5, 4374270), (6, 3645225), (9, 2430150), (10, 2187135), (15, 1458090), (17, 1286550), (18, 1215075), (25, 874854), (27, 810050), (30, 729045), (34, 643275), (45, 486030), (50, 437427), (51, 428850), (54, 405025), (75, 291618), (85, 257310), (90, 243015), (102, 214425), (135, 162010), (150, 145809), (153, 142950), (170, 128655), (225, 97206), (255, 85770), (270, 81005), (306, 71475), (425, 51462), (450, 48603), (459, 47650), (510, 42885), (675, 32402), (765, 28590), (850, 25731), (918, 23825), (953, 22950), (1275, 17154), (1350, 16201), (1530, 14295), (1906, 11475), (2295, 9530), (2550, 8577), (2859, 7650), (3825, 5718), (4590, 4765)]