21060504

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5519}}^1$

素因数の和:5584

約数の個数: 48

約数和(自身を含む): 58125600

約数和(自身を除く): 37065096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5519, 11038, 16557, 22076, 33114, 44152, 49671, 66228, 99342, 132456, 198684, 292507, 397368, 585014, 877521, 1170028, 1755042, 2340056, 2632563, 3510084, 5265126, 7020168, 10530252, 21060504]

約数ペア:

[(1, 21060504), (2, 10530252), (3, 7020168), (4, 5265126), (6, 3510084), (8, 2632563), (9, 2340056), (12, 1755042), (18, 1170028), (24, 877521), (36, 585014), (53, 397368), (72, 292507), (106, 198684), (159, 132456), (212, 99342), (318, 66228), (424, 49671), (477, 44152), (636, 33114), (954, 22076), (1272, 16557), (1908, 11038), (3816, 5519)]