21270732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1933}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 57184512

約数和(自身を除く): 35913780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 1933, 2751, 3668, 3866, 5502, 5799, 7732, 11004, 11598, 13531, 23196, 27062, 40593, 54124, 81186, 162372, 253223, 506446, 759669, 1012892, 1519338, 1772561, 3038676, 3545122, 5317683, 7090244, 10635366, 21270732]

約数ペア:

[(1, 21270732), (2, 10635366), (3, 7090244), (4, 5317683), (6, 3545122), (7, 3038676), (12, 1772561), (14, 1519338), (21, 1012892), (28, 759669), (42, 506446), (84, 253223), (131, 162372), (262, 81186), (393, 54124), (524, 40593), (786, 27062), (917, 23196), (1572, 13531), (1834, 11598), (1933, 11004), (2751, 7732), (3668, 5799), (3866, 5502)]