21034300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 52774400

約数和(自身を除く): 31740100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 151, 175, 199, 302, 350, 398, 604, 700, 755, 796, 995, 1057, 1393, 1510, 1990, 2114, 2786, 3020, 3775, 3980, 4228, 4975, 5285, 5572, 6965, 7550, 9950, 10570, 13930, 15100, 19900, 21140, 26425, 27860, 30049, 34825, 52850, 60098, 69650, 105700, 120196, 139300, 150245, 210343, 300490, 420686, 600980, 751225, 841372, 1051715, 1502450, 2103430, 3004900, 4206860, 5258575, 10517150, 21034300]

約数ペア:

[(1, 21034300), (2, 10517150), (4, 5258575), (5, 4206860), (7, 3004900), (10, 2103430), (14, 1502450), (20, 1051715), (25, 841372), (28, 751225), (35, 600980), (50, 420686), (70, 300490), (100, 210343), (140, 150245), (151, 139300), (175, 120196), (199, 105700), (302, 69650), (350, 60098), (398, 52850), (604, 34825), (700, 30049), (755, 27860), (796, 26425), (995, 21140), (1057, 19900), (1393, 15100), (1510, 13930), (1990, 10570), (2114, 9950), (2786, 7550), (3020, 6965), (3775, 5572), (3980, 5285), (4228, 4975)]