21467372280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{108883}}^1$

素因数の和:108981

約数の個数: 128

約数和(自身を含む): 67734558720

約数和(自身を除く): 46267186440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 372, 424, 465, 530, 620, 636, 744, 795, 930, 1060, 1240, 1272, 1590, 1643, 1860, 2120, 3180, 3286, 3720, 4929, 6360, 6572, 8215, 9858, 13144, 16430, 19716, 24645, 32860, 39432, 49290, 65720, 98580, 108883, 197160, 217766, 326649, 435532, 544415, 653298, 871064, 1088830, 1306596, 1633245, 2177660, 2613192, 3266490, 3375373, 4355320, 5770799, 6532980, 6750746, 10126119, 11541598, 13065960, 13501492, 16876865, 17312397, 20252238, 23083196, 27002984, 28853995, 33753730, 34624794, 40504476, 46166392, 50630595, 57707990, 67507460, 69249588, 81008952, 86561985, 101261190, 115415980, 135014920, 138499176, 173123970, 178894769, 202522380, 230831960, 346247940, 357789538, 405044760, 536684307, 692495880, 715579076, 894473845, 1073368614, 1431158152, 1788947690, 2146737228, 2683421535, 3577895380, 4293474456, 5366843070, 7155790760, 10733686140, 21467372280]

約数ペア:

[(1, 21467372280), (2, 10733686140), (3, 7155790760), (4, 5366843070), (5, 4293474456), (6, 3577895380), (8, 2683421535), (10, 2146737228), (12, 1788947690), (15, 1431158152), (20, 1073368614), (24, 894473845), (30, 715579076), (31, 692495880), (40, 536684307), (53, 405044760), (60, 357789538), (62, 346247940), (93, 230831960), (106, 202522380), (120, 178894769), (124, 173123970), (155, 138499176), (159, 135014920), (186, 115415980), (212, 101261190), (248, 86561985), (265, 81008952), (310, 69249588), (318, 67507460), (372, 57707990), (424, 50630595), (465, 46166392), (530, 40504476), (620, 34624794), (636, 33753730), (744, 28853995), (795, 27002984), (930, 23083196), (1060, 20252238), (1240, 17312397), (1272, 16876865), (1590, 13501492), (1643, 13065960), (1860, 11541598), (2120, 10126119), (3180, 6750746), (3286, 6532980), (3720, 5770799), (4929, 4355320), (6360, 3375373), (6572, 3266490), (8215, 2613192), (9858, 2177660), (13144, 1633245), (16430, 1306596), (19716, 1088830), (24645, 871064), (32860, 653298), (39432, 544415), (49290, 435532), (65720, 326649), (98580, 217766), (108883, 197160)]