21176603600

素因数分解:

$2^4\times 5^2\times {\mathrm{1973}}^1\times {\mathrm{26833}}^1$

素因数の和:28824

約数の個数: 60

約数和(自身を含む): 50904473676

約数和(自身を除く): 29727870076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1973, 3946, 7892, 9865, 15784, 19730, 26833, 31568, 39460, 49325, 53666, 78920, 98650, 107332, 134165, 157840, 197300, 214664, 268330, 394600, 429328, 536660, 670825, 789200, 1073320, 1341650, 2146640, 2683300, 5366600, 10733200, 52941509, 105883018, 211766036, 264707545, 423532072, 529415090, 847064144, 1058830180, 1323537725, 2117660360, 2647075450, 4235320720, 5294150900, 10588301800, 21176603600]

約数ペア:

[(1, 21176603600), (2, 10588301800), (4, 5294150900), (5, 4235320720), (8, 2647075450), (10, 2117660360), (16, 1323537725), (20, 1058830180), (25, 847064144), (40, 529415090), (50, 423532072), (80, 264707545), (100, 211766036), (200, 105883018), (400, 52941509), (1973, 10733200), (3946, 5366600), (7892, 2683300), (9865, 2146640), (15784, 1341650), (19730, 1073320), (26833, 789200), (31568, 670825), (39460, 536660), (49325, 429328), (53666, 394600), (78920, 268330), (98650, 214664), (107332, 197300), (134165, 157840)]