21997165008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{162451}}^1$

素因数の和:162513

約数の個数: 160

約数和(自身を含む): 72196268032

約数和(自身を除く): 50199103024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 104, 112, 124, 156, 168, 182, 186, 208, 217, 248, 273, 312, 336, 364, 372, 403, 434, 496, 546, 624, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1456, 1488, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 3472, 4368, 4836, 5208, 5642, 6448, 8463, 9672, 10416, 11284, 16926, 19344, 22568, 33852, 45136, 67704, 135408, 162451, 324902, 487353, 649804, 974706, 1137157, 1299608, 1949412, 2111863, 2274314, 2599216, 3411471, 3898824, 4223726, 4548628, 5035981, 6335589, 6822942, 7797648, 8447452, 9097256, 10071962, 12671178, 13645884, 14783041, 15107943, 16894904, 18194512, 20143924, 25342356, 27291768, 29566082, 30215886, 33789808, 35251867, 40287848, 44349123, 50684712, 54583536, 59132164, 60431772, 65467753, 70503734, 80575696, 88698246, 101369424, 105755601, 118264328, 120863544, 130935506, 141007468, 177396492, 196403259, 211511202, 236528656, 241727088, 261871012, 282014936, 354792984, 392806518, 423022404, 458274271, 523742024, 564029872, 709585968, 785613036, 846044808, 916548542, 1047484048, 1374822813, 1571226072, 1692089616, 1833097084, 2749645626, 3142452144, 3666194168, 5499291252, 7332388336, 10998582504, 21997165008]

約数ペア:

[(1, 21997165008), (2, 10998582504), (3, 7332388336), (4, 5499291252), (6, 3666194168), (7, 3142452144), (8, 2749645626), (12, 1833097084), (13, 1692089616), (14, 1571226072), (16, 1374822813), (21, 1047484048), (24, 916548542), (26, 846044808), (28, 785613036), (31, 709585968), (39, 564029872), (42, 523742024), (48, 458274271), (52, 423022404), (56, 392806518), (62, 354792984), (78, 282014936), (84, 261871012), (91, 241727088), (93, 236528656), (104, 211511202), (112, 196403259), (124, 177396492), (156, 141007468), (168, 130935506), (182, 120863544), (186, 118264328), (208, 105755601), (217, 101369424), (248, 88698246), (273, 80575696), (312, 70503734), (336, 65467753), (364, 60431772), (372, 59132164), (403, 54583536), (434, 50684712), (496, 44349123), (546, 40287848), (624, 35251867), (651, 33789808), (728, 30215886), (744, 29566082), (806, 27291768), (868, 25342356), (1092, 20143924), (1209, 18194512), (1302, 16894904), (1456, 15107943), (1488, 14783041), (1612, 13645884), (1736, 12671178), (2184, 10071962), (2418, 9097256), (2604, 8447452), (2821, 7797648), (3224, 6822942), (3472, 6335589), (4368, 5035981), (4836, 4548628), (5208, 4223726), (5642, 3898824), (6448, 3411471), (8463, 2599216), (9672, 2274314), (10416, 2111863), (11284, 1949412), (16926, 1299608), (19344, 1137157), (22568, 974706), (33852, 649804), (45136, 487353), (67704, 324902), (135408, 162451)]