21149268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3449}}^1$

素因数の和:3536

約数の個数: 48

約数和(自身を含む): 57187200

約数和(自身を除く): 36037932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3449, 6132, 6898, 10347, 13796, 20694, 24143, 41388, 48286, 72429, 96572, 144858, 251777, 289716, 503554, 755331, 1007108, 1510662, 1762439, 3021324, 3524878, 5287317, 7049756, 10574634, 21149268]

約数ペア:

[(1, 21149268), (2, 10574634), (3, 7049756), (4, 5287317), (6, 3524878), (7, 3021324), (12, 1762439), (14, 1510662), (21, 1007108), (28, 755331), (42, 503554), (73, 289716), (84, 251777), (146, 144858), (219, 96572), (292, 72429), (438, 48286), (511, 41388), (876, 24143), (1022, 20694), (1533, 13796), (2044, 10347), (3066, 6898), (3449, 6132)]