21396548

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1327}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 39043200

約数和(自身を除く): 17646652

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 1327, 2654, 4031, 5308, 8062, 16124, 38483, 76966, 153932, 184453, 368906, 737812, 5349137, 10698274, 21396548]

約数ペア:

[(1, 21396548), (2, 10698274), (4, 5349137), (29, 737812), (58, 368906), (116, 184453), (139, 153932), (278, 76966), (556, 38483), (1327, 16124), (2654, 8062), (4031, 5308)]