21342222

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 30942738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 121, 123, 198, 239, 242, 246, 363, 369, 451, 478, 717, 726, 738, 902, 1089, 1353, 1434, 2151, 2178, 2629, 2706, 4059, 4302, 4961, 5258, 7887, 8118, 9799, 9922, 14883, 15774, 19598, 23661, 28919, 29397, 29766, 44649, 47322, 57838, 58794, 86757, 88191, 89298, 107789, 173514, 176382, 215578, 260271, 323367, 520542, 646734, 970101, 1185679, 1940202, 2371358, 3557037, 7114074, 10671111, 21342222]

約数ペア:

[(1, 21342222), (2, 10671111), (3, 7114074), (6, 3557037), (9, 2371358), (11, 1940202), (18, 1185679), (22, 970101), (33, 646734), (41, 520542), (66, 323367), (82, 260271), (99, 215578), (121, 176382), (123, 173514), (198, 107789), (239, 89298), (242, 88191), (246, 86757), (363, 58794), (369, 57838), (451, 47322), (478, 44649), (717, 29766), (726, 29397), (738, 28919), (902, 23661), (1089, 19598), (1353, 15774), (1434, 14883), (2151, 9922), (2178, 9799), (2629, 8118), (2706, 7887), (4059, 5258), (4302, 4961)]