21984210

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 38556270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 83, 90, 109, 135, 162, 166, 218, 243, 249, 270, 327, 405, 415, 486, 498, 545, 654, 747, 810, 830, 981, 1090, 1215, 1245, 1494, 1635, 1962, 2241, 2430, 2490, 2943, 3270, 3735, 4482, 4905, 5886, 6723, 7470, 8829, 9047, 9810, 11205, 13446, 14715, 17658, 18094, 20169, 22410, 26487, 27141, 29430, 33615, 40338, 44145, 45235, 52974, 54282, 67230, 81423, 88290, 90470, 100845, 132435, 135705, 162846, 201690, 244269, 264870, 271410, 407115, 488538, 732807, 814230, 1221345, 1465614, 2198421, 2442690, 3664035, 4396842, 7328070, 10992105, 21984210]

約数ペア:

[(1, 21984210), (2, 10992105), (3, 7328070), (5, 4396842), (6, 3664035), (9, 2442690), (10, 2198421), (15, 1465614), (18, 1221345), (27, 814230), (30, 732807), (45, 488538), (54, 407115), (81, 271410), (83, 264870), (90, 244269), (109, 201690), (135, 162846), (162, 135705), (166, 132435), (218, 100845), (243, 90470), (249, 88290), (270, 81423), (327, 67230), (405, 54282), (415, 52974), (486, 45235), (498, 44145), (545, 40338), (654, 33615), (747, 29430), (810, 27141), (830, 26487), (981, 22410), (1090, 20169), (1215, 18094), (1245, 17658), (1494, 14715), (1635, 13446), (1962, 11205), (2241, 9810), (2430, 9047), (2490, 8829), (2943, 7470), (3270, 6723), (3735, 5886), (4482, 4905)]