21177816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 37245864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 97, 132, 194, 264, 291, 388, 582, 776, 827, 1067, 1164, 1654, 2134, 2328, 2481, 3201, 3308, 4268, 4962, 6402, 6616, 8536, 9097, 9924, 12804, 18194, 19848, 25608, 27291, 36388, 54582, 72776, 80219, 109164, 160438, 218328, 240657, 320876, 481314, 641752, 882409, 962628, 1764818, 1925256, 2647227, 3529636, 5294454, 7059272, 10588908, 21177816]

約数ペア:

[(1, 21177816), (2, 10588908), (3, 7059272), (4, 5294454), (6, 3529636), (8, 2647227), (11, 1925256), (12, 1764818), (22, 962628), (24, 882409), (33, 641752), (44, 481314), (66, 320876), (88, 240657), (97, 218328), (132, 160438), (194, 109164), (264, 80219), (291, 72776), (388, 54582), (582, 36388), (776, 27291), (827, 25608), (1067, 19848), (1164, 18194), (1654, 12804), (2134, 9924), (2328, 9097), (2481, 8536), (3201, 6616), (3308, 6402), (4268, 4962)]