21000949014

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{3499}}^1$

素因数の和:3722

約数の個数: 96

約数和(自身を含む): 47237904000

約数和(自身を除く): 26236954986

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 163, 323, 326, 361, 489, 646, 722, 969, 978, 1083, 1938, 2166, 2771, 3097, 3499, 5542, 6137, 6194, 6998, 8313, 9291, 10497, 12274, 16626, 18411, 18582, 20994, 36822, 52649, 58843, 59483, 66481, 105298, 117686, 118966, 132962, 157947, 176529, 178449, 199443, 315894, 353058, 356898, 398886, 570337, 1000331, 1130177, 1140674, 1263139, 1711011, 2000662, 2260354, 2526278, 3000993, 3390531, 3422022, 3789417, 6001986, 6781062, 7578834, 9695729, 10836403, 19391458, 21473363, 21672806, 29087187, 32509209, 42946726, 58174374, 64420089, 65018418, 128840178, 184218851, 205891657, 368437702, 411783314, 552656553, 617674971, 1105313106, 1235349942, 3500158169, 7000316338, 10500474507, 21000949014]

約数ペア:

[(1, 21000949014), (2, 10500474507), (3, 7000316338), (6, 3500158169), (17, 1235349942), (19, 1105313106), (34, 617674971), (38, 552656553), (51, 411783314), (57, 368437702), (102, 205891657), (114, 184218851), (163, 128840178), (323, 65018418), (326, 64420089), (361, 58174374), (489, 42946726), (646, 32509209), (722, 29087187), (969, 21672806), (978, 21473363), (1083, 19391458), (1938, 10836403), (2166, 9695729), (2771, 7578834), (3097, 6781062), (3499, 6001986), (5542, 3789417), (6137, 3422022), (6194, 3390531), (6998, 3000993), (8313, 2526278), (9291, 2260354), (10497, 2000662), (12274, 1711011), (16626, 1263139), (18411, 1140674), (18582, 1130177), (20994, 1000331), (36822, 570337), (52649, 398886), (58843, 356898), (59483, 353058), (66481, 315894), (105298, 199443), (117686, 178449), (118966, 176529), (132962, 157947)]