20211510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 33494730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 839, 1095, 1606, 1678, 2190, 2409, 2517, 4015, 4195, 4818, 5034, 8030, 8390, 9229, 12045, 12585, 18458, 24090, 25170, 27687, 46145, 55374, 61247, 92290, 122494, 138435, 183741, 276870, 306235, 367482, 612470, 673717, 918705, 1347434, 1837410, 2021151, 3368585, 4042302, 6737170, 10105755, 20211510]

約数ペア:

[(1, 20211510), (2, 10105755), (3, 6737170), (5, 4042302), (6, 3368585), (10, 2021151), (11, 1837410), (15, 1347434), (22, 918705), (30, 673717), (33, 612470), (55, 367482), (66, 306235), (73, 276870), (110, 183741), (146, 138435), (165, 122494), (219, 92290), (330, 61247), (365, 55374), (438, 46145), (730, 27687), (803, 25170), (839, 24090), (1095, 18458), (1606, 12585), (1678, 12045), (2190, 9229), (2409, 8390), (2517, 8030), (4015, 5034), (4195, 4818)]