21622440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{25741}}^1$

素因数の和:25762

約数の個数: 64

約数和(自身を含む): 74136960

約数和(自身を除く): 52514520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 25741, 51482, 77223, 102964, 128705, 154446, 180187, 205928, 257410, 308892, 360374, 386115, 514820, 540561, 617784, 720748, 772230, 900935, 1029640, 1081122, 1441496, 1544460, 1801870, 2162244, 2702805, 3088920, 3603740, 4324488, 5405610, 7207480, 10811220, 21622440]

約数ペア:

[(1, 21622440), (2, 10811220), (3, 7207480), (4, 5405610), (5, 4324488), (6, 3603740), (7, 3088920), (8, 2702805), (10, 2162244), (12, 1801870), (14, 1544460), (15, 1441496), (20, 1081122), (21, 1029640), (24, 900935), (28, 772230), (30, 720748), (35, 617784), (40, 540561), (42, 514820), (56, 386115), (60, 360374), (70, 308892), (84, 257410), (105, 205928), (120, 180187), (140, 154446), (168, 128705), (210, 102964), (280, 77223), (420, 51482), (840, 25741)]