21765768

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 56616960

約数和(自身を除く): 34851192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 127, 148, 193, 222, 254, 296, 381, 386, 444, 508, 579, 762, 772, 888, 1016, 1158, 1524, 1544, 2316, 3048, 4632, 4699, 7141, 9398, 14097, 14282, 18796, 21423, 24511, 28194, 28564, 37592, 42846, 49022, 56388, 57128, 73533, 85692, 98044, 112776, 147066, 171384, 196088, 294132, 588264, 906907, 1813814, 2720721, 3627628, 5441442, 7255256, 10882884, 21765768]

約数ペア:

[(1, 21765768), (2, 10882884), (3, 7255256), (4, 5441442), (6, 3627628), (8, 2720721), (12, 1813814), (24, 906907), (37, 588264), (74, 294132), (111, 196088), (127, 171384), (148, 147066), (193, 112776), (222, 98044), (254, 85692), (296, 73533), (381, 57128), (386, 56388), (444, 49022), (508, 42846), (579, 37592), (762, 28564), (772, 28194), (888, 24511), (1016, 21423), (1158, 18796), (1524, 14282), (1544, 14097), (2316, 9398), (3048, 7141), (4632, 4699)]