21496384

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3723

約数の個数: 56

約数和(自身を含む): 52515008

約数和(自身を除く): 31018624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3691, 5824, 7382, 14764, 25837, 29528, 47983, 51674, 59056, 95966, 103348, 118112, 191932, 206696, 236224, 335881, 383864, 413392, 671762, 767728, 826784, 1343524, 1535456, 1653568, 2687048, 3070912, 5374096, 10748192, 21496384]

約数ペア:

[(1, 21496384), (2, 10748192), (4, 5374096), (7, 3070912), (8, 2687048), (13, 1653568), (14, 1535456), (16, 1343524), (26, 826784), (28, 767728), (32, 671762), (52, 413392), (56, 383864), (64, 335881), (91, 236224), (104, 206696), (112, 191932), (182, 118112), (208, 103348), (224, 95966), (364, 59056), (416, 51674), (448, 47983), (728, 29528), (832, 25837), (1456, 14764), (2912, 7382), (3691, 5824)]