21474540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2251}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 66397968

約数和(自身を除く): 44923428

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, 2251, 2385, 3180, 4502, 4770, 6753, 9004, 9540, 11255, 13506, 20259, 22510, 27012, 33765, 40518, 45020, 67530, 81036, 101295, 119303, 135060, 202590, 238606, 357909, 405180, 477212, 596515, 715818, 1073727, 1193030, 1431636, 1789545, 2147454, 2386060, 3579090, 4294908, 5368635, 7158180, 10737270, 21474540]

約数ペア:

[(1, 21474540), (2, 10737270), (3, 7158180), (4, 5368635), (5, 4294908), (6, 3579090), (9, 2386060), (10, 2147454), (12, 1789545), (15, 1431636), (18, 1193030), (20, 1073727), (30, 715818), (36, 596515), (45, 477212), (53, 405180), (60, 357909), (90, 238606), (106, 202590), (159, 135060), (180, 119303), (212, 101295), (265, 81036), (318, 67530), (477, 45020), (530, 40518), (636, 33765), (795, 27012), (954, 22510), (1060, 20259), (1590, 13506), (1908, 11255), (2251, 9540), (2385, 9004), (3180, 6753), (4502, 4770)]