21893784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 60272640

約数和(自身を除く): 38378856

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 127, 132, 254, 264, 381, 508, 653, 762, 1016, 1306, 1397, 1524, 1959, 2612, 2794, 3048, 3918, 4191, 5224, 5588, 7183, 7836, 8382, 11176, 14366, 15672, 16764, 21549, 28732, 33528, 43098, 57464, 82931, 86196, 165862, 172392, 248793, 331724, 497586, 663448, 912241, 995172, 1824482, 1990344, 2736723, 3648964, 5473446, 7297928, 10946892, 21893784]

約数ペア:

[(1, 21893784), (2, 10946892), (3, 7297928), (4, 5473446), (6, 3648964), (8, 2736723), (11, 1990344), (12, 1824482), (22, 995172), (24, 912241), (33, 663448), (44, 497586), (66, 331724), (88, 248793), (127, 172392), (132, 165862), (254, 86196), (264, 82931), (381, 57464), (508, 43098), (653, 33528), (762, 28732), (1016, 21549), (1306, 16764), (1397, 15672), (1524, 14366), (1959, 11176), (2612, 8382), (2794, 7836), (3048, 7183), (3918, 5588), (4191, 5224)]