21630504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 40577496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 199, 398, 597, 647, 796, 1194, 1294, 1393, 1592, 1941, 2388, 2588, 2786, 3882, 4179, 4529, 4776, 5176, 5572, 7764, 8358, 9058, 11144, 13587, 15528, 16716, 18116, 27174, 33432, 36232, 54348, 108696, 128753, 257506, 386259, 515012, 772518, 901271, 1030024, 1545036, 1802542, 2703813, 3090072, 3605084, 5407626, 7210168, 10815252, 21630504]

約数ペア:

[(1, 21630504), (2, 10815252), (3, 7210168), (4, 5407626), (6, 3605084), (7, 3090072), (8, 2703813), (12, 1802542), (14, 1545036), (21, 1030024), (24, 901271), (28, 772518), (42, 515012), (56, 386259), (84, 257506), (168, 128753), (199, 108696), (398, 54348), (597, 36232), (647, 33432), (796, 27174), (1194, 18116), (1294, 16716), (1393, 15528), (1592, 13587), (1941, 11144), (2388, 9058), (2588, 8358), (2786, 7764), (3882, 5572), (4179, 5176), (4529, 4776)]