21649408

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 48796020

約数和(自身を除く): 27146612

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 512, 682, 704, 961, 992, 1024, 1364, 1408, 1922, 1984, 2048, 2728, 2816, 3844, 3968, 5456, 5632, 7688, 7936, 10571, 10912, 11264, 15376, 15872, 21142, 21824, 22528, 30752, 31744, 42284, 43648, 61504, 63488, 84568, 87296, 123008, 169136, 174592, 246016, 338272, 349184, 492032, 676544, 698368, 984064, 1353088, 1968128, 2706176, 5412352, 10824704, 21649408]

約数ペア:

[(1, 21649408), (2, 10824704), (4, 5412352), (8, 2706176), (11, 1968128), (16, 1353088), (22, 984064), (31, 698368), (32, 676544), (44, 492032), (62, 349184), (64, 338272), (88, 246016), (124, 174592), (128, 169136), (176, 123008), (248, 87296), (256, 84568), (341, 63488), (352, 61504), (496, 43648), (512, 42284), (682, 31744), (704, 30752), (961, 22528), (992, 21824), (1024, 21142), (1364, 15872), (1408, 15376), (1922, 11264), (1984, 10912), (2048, 10571), (2728, 7936), (2816, 7688), (3844, 5632), (3968, 5456)]