21800070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 36744570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 307, 526, 614, 789, 921, 1315, 1535, 1578, 1842, 2367, 2630, 2763, 3070, 3945, 4605, 4734, 5526, 7101, 7890, 8289, 9210, 11835, 13815, 14202, 16578, 23670, 27630, 35505, 41445, 71010, 80741, 82890, 161482, 242223, 403705, 484446, 726669, 807410, 1211115, 1453338, 2180007, 2422230, 3633345, 4360014, 7266690, 10900035, 21800070]

約数ペア:

[(1, 21800070), (2, 10900035), (3, 7266690), (5, 4360014), (6, 3633345), (9, 2422230), (10, 2180007), (15, 1453338), (18, 1211115), (27, 807410), (30, 726669), (45, 484446), (54, 403705), (90, 242223), (135, 161482), (263, 82890), (270, 80741), (307, 71010), (526, 41445), (614, 35505), (789, 27630), (921, 23670), (1315, 16578), (1535, 14202), (1578, 13815), (1842, 11835), (2367, 9210), (2630, 8289), (2763, 7890), (3070, 7101), (3945, 5526), (4605, 4734)]