21000314624

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{44851}}^1$

素因数の和:44957

約数の個数: 72

約数和(自身を含む): 44005194240

約数和(自身を除く): 23004879616

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 236, 248, 256, 472, 496, 944, 992, 1829, 1888, 1984, 3658, 3776, 3968, 7316, 7552, 7936, 14632, 15104, 29264, 44851, 58528, 89702, 117056, 179404, 234112, 358808, 468224, 717616, 1390381, 1435232, 2646209, 2780762, 2870464, 5292418, 5561524, 5740928, 10584836, 11123048, 11481856, 21169672, 22246096, 42339344, 44492192, 82032479, 84678688, 88984384, 164064958, 169357376, 177968768, 328129916, 338714752, 355937536, 656259832, 677429504, 1312519664, 2625039328, 5250078656, 10500157312, 21000314624]

約数ペア:

[(1, 21000314624), (2, 10500157312), (4, 5250078656), (8, 2625039328), (16, 1312519664), (31, 677429504), (32, 656259832), (59, 355937536), (62, 338714752), (64, 328129916), (118, 177968768), (124, 169357376), (128, 164064958), (236, 88984384), (248, 84678688), (256, 82032479), (472, 44492192), (496, 42339344), (944, 22246096), (992, 21169672), (1829, 11481856), (1888, 11123048), (1984, 10584836), (3658, 5740928), (3776, 5561524), (3968, 5292418), (7316, 2870464), (7552, 2780762), (7936, 2646209), (14632, 1435232), (15104, 1390381), (29264, 717616), (44851, 468224), (58528, 358808), (89702, 234112), (117056, 179404)]