21054488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28921}}^1$

素因数の和:28947

約数の個数: 32

約数和(自身を含む): 48588960

約数和(自身を除く): 27534472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28921, 57842, 115684, 202447, 231368, 375973, 404894, 751946, 809788, 1503892, 1619576, 2631811, 3007784, 5263622, 10527244, 21054488]

約数ペア:

[(1, 21054488), (2, 10527244), (4, 5263622), (7, 3007784), (8, 2631811), (13, 1619576), (14, 1503892), (26, 809788), (28, 751946), (52, 404894), (56, 375973), (91, 231368), (104, 202447), (182, 115684), (364, 57842), (728, 28921)]