21696064

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 47045880

約数和(自身を除く): 25349816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 293, 356, 416, 586, 712, 832, 1157, 1172, 1424, 2314, 2344, 2848, 3809, 4628, 4688, 5696, 7618, 9256, 9376, 15236, 18512, 18752, 26077, 30472, 37024, 52154, 60944, 74048, 104308, 121888, 208616, 243776, 339001, 417232, 678002, 834464, 1356004, 1668928, 2712008, 5424016, 10848032, 21696064]

約数ペア:

[(1, 21696064), (2, 10848032), (4, 5424016), (8, 2712008), (13, 1668928), (16, 1356004), (26, 834464), (32, 678002), (52, 417232), (64, 339001), (89, 243776), (104, 208616), (178, 121888), (208, 104308), (293, 74048), (356, 60944), (416, 52154), (586, 37024), (712, 30472), (832, 26077), (1157, 18752), (1172, 18512), (1424, 15236), (2314, 9376), (2344, 9256), (2848, 7618), (3809, 5696), (4628, 4688)]