21360060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2239}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 44684100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2239, 2385, 3180, 4478, 4770, 6717, 8956, 9540, 11195, 13434, 20151, 22390, 26868, 33585, 40302, 44780, 67170, 80604, 100755, 118667, 134340, 201510, 237334, 356001, 403020, 474668, 593335, 712002, 1068003, 1186670, 1424004, 1780005, 2136006, 2373340, 3560010, 4272012, 5340015, 7120020, 10680030, 21360060]

約数ペア:

[(1, 21360060), (2, 10680030), (3, 7120020), (4, 5340015), (5, 4272012), (6, 3560010), (9, 2373340), (10, 2136006), (12, 1780005), (15, 1424004), (18, 1186670), (20, 1068003), (30, 712002), (36, 593335), (45, 474668), (53, 403020), (60, 356001), (90, 237334), (106, 201510), (159, 134340), (180, 118667), (212, 100755), (265, 80604), (318, 67170), (477, 44780), (530, 40302), (636, 33585), (795, 26868), (954, 22390), (1060, 20151), (1590, 13434), (1908, 11195), (2239, 9540), (2385, 8956), (3180, 6717), (4478, 4770)]