21402672

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 36450768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 53, 94, 106, 141, 159, 179, 188, 212, 282, 318, 358, 376, 424, 537, 564, 636, 716, 752, 848, 1074, 1128, 1272, 1432, 2148, 2256, 2491, 2544, 2864, 4296, 4982, 7473, 8413, 8592, 9487, 9964, 14946, 16826, 18974, 19928, 25239, 28461, 29892, 33652, 37948, 39856, 50478, 56922, 59784, 67304, 75896, 100956, 113844, 119568, 134608, 151792, 201912, 227688, 403824, 445889, 455376, 891778, 1337667, 1783556, 2675334, 3567112, 5350668, 7134224, 10701336, 21402672]

約数ペア:

[(1, 21402672), (2, 10701336), (3, 7134224), (4, 5350668), (6, 3567112), (8, 2675334), (12, 1783556), (16, 1337667), (24, 891778), (47, 455376), (48, 445889), (53, 403824), (94, 227688), (106, 201912), (141, 151792), (159, 134608), (179, 119568), (188, 113844), (212, 100956), (282, 75896), (318, 67304), (358, 59784), (376, 56922), (424, 50478), (537, 39856), (564, 37948), (636, 33652), (716, 29892), (752, 28461), (848, 25239), (1074, 19928), (1128, 18974), (1272, 16826), (1432, 14946), (2148, 9964), (2256, 9487), (2491, 8592), (2544, 8413), (2864, 7473), (4296, 4982)]