21494089240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{10357}}^1$

素因数の和:10701

約数の個数: 96

約数和(自身を含む): 52543648080

約数和(自身を除く): 31049558840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 307, 338, 520, 614, 676, 845, 1228, 1352, 1535, 1690, 2456, 3070, 3380, 3991, 6140, 6760, 7982, 10357, 12280, 15964, 19955, 20714, 31928, 39910, 41428, 51785, 51883, 79820, 82856, 103570, 103766, 134641, 159640, 207140, 207532, 259415, 269282, 414280, 415064, 518830, 538564, 673205, 1037660, 1077128, 1346410, 1750333, 2075320, 2692820, 3179599, 3500666, 5385640, 6359198, 7001332, 8751665, 12718396, 14002664, 15897995, 17503330, 25436792, 31795990, 35006660, 41334787, 63591980, 70013320, 82669574, 127183960, 165339148, 206673935, 330678296, 413347870, 537352231, 826695740, 1074704462, 1653391480, 2149408924, 2686761155, 4298817848, 5373522310, 10747044620, 21494089240]

約数ペア:

[(1, 21494089240), (2, 10747044620), (4, 5373522310), (5, 4298817848), (8, 2686761155), (10, 2149408924), (13, 1653391480), (20, 1074704462), (26, 826695740), (40, 537352231), (52, 413347870), (65, 330678296), (104, 206673935), (130, 165339148), (169, 127183960), (260, 82669574), (307, 70013320), (338, 63591980), (520, 41334787), (614, 35006660), (676, 31795990), (845, 25436792), (1228, 17503330), (1352, 15897995), (1535, 14002664), (1690, 12718396), (2456, 8751665), (3070, 7001332), (3380, 6359198), (3991, 5385640), (6140, 3500666), (6760, 3179599), (7982, 2692820), (10357, 2075320), (12280, 1750333), (15964, 1346410), (19955, 1077128), (20714, 1037660), (31928, 673205), (39910, 538564), (41428, 518830), (51785, 415064), (51883, 414280), (79820, 269282), (82856, 259415), (103570, 207532), (103766, 207140), (134641, 159640)]