21461244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1069}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 57523200

約数和(自身を除く): 36061956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1069, 1434, 1673, 2138, 2868, 3207, 3346, 4276, 5019, 6414, 6692, 7483, 10038, 12828, 14966, 20076, 22449, 29932, 44898, 89796, 255491, 510982, 766473, 1021964, 1532946, 1788437, 3065892, 3576874, 5365311, 7153748, 10730622, 21461244]

約数ペア:

[(1, 21461244), (2, 10730622), (3, 7153748), (4, 5365311), (6, 3576874), (7, 3065892), (12, 1788437), (14, 1532946), (21, 1021964), (28, 766473), (42, 510982), (84, 255491), (239, 89796), (478, 44898), (717, 29932), (956, 22449), (1069, 20076), (1434, 14966), (1673, 12828), (2138, 10038), (2868, 7483), (3207, 6692), (3346, 6414), (4276, 5019)]