21289575276

素因数分解:

$2^2\times 3^3\times {\mathrm{443}}^1\times {\mathrm{444979}}^1$

素因数の和:445435

約数の個数: 48

約数和(自身を含む): 55319913600

約数和(自身を除く): 34030338324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 443, 886, 1329, 1772, 2658, 3987, 5316, 7974, 11961, 15948, 23922, 47844, 444979, 889958, 1334937, 1779916, 2669874, 4004811, 5339748, 8009622, 12014433, 16019244, 24028866, 48057732, 197125697, 394251394, 591377091, 788502788, 1182754182, 1774131273, 2365508364, 3548262546, 5322393819, 7096525092, 10644787638, 21289575276]

約数ペア:

[(1, 21289575276), (2, 10644787638), (3, 7096525092), (4, 5322393819), (6, 3548262546), (9, 2365508364), (12, 1774131273), (18, 1182754182), (27, 788502788), (36, 591377091), (54, 394251394), (108, 197125697), (443, 48057732), (886, 24028866), (1329, 16019244), (1772, 12014433), (2658, 8009622), (3987, 5339748), (5316, 4004811), (7974, 2669874), (11961, 1779916), (15948, 1334937), (23922, 889958), (47844, 444979)]