21421464

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 56471040

約数和(自身を除く): 35049576

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 151, 184, 257, 276, 302, 453, 514, 552, 604, 771, 906, 1028, 1208, 1542, 1812, 2056, 3084, 3473, 3624, 5911, 6168, 6946, 10419, 11822, 13892, 17733, 20838, 23644, 27784, 35466, 38807, 41676, 47288, 70932, 77614, 83352, 116421, 141864, 155228, 232842, 310456, 465684, 892561, 931368, 1785122, 2677683, 3570244, 5355366, 7140488, 10710732, 21421464]

約数ペア:

[(1, 21421464), (2, 10710732), (3, 7140488), (4, 5355366), (6, 3570244), (8, 2677683), (12, 1785122), (23, 931368), (24, 892561), (46, 465684), (69, 310456), (92, 232842), (138, 155228), (151, 141864), (184, 116421), (257, 83352), (276, 77614), (302, 70932), (453, 47288), (514, 41676), (552, 38807), (604, 35466), (771, 27784), (906, 23644), (1028, 20838), (1208, 17733), (1542, 13892), (1812, 11822), (2056, 10419), (3084, 6946), (3473, 6168), (3624, 5911)]