21206682

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3643

約数の個数: 48

約数和(自身を含む): 53644032

約数和(自身を除く): 32437350

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3581, 5922, 7162, 10743, 21486, 25067, 32229, 50134, 64458, 75201, 150402, 168307, 225603, 336614, 451206, 504921, 1009842, 1178149, 1514763, 2356298, 3029526, 3534447, 7068894, 10603341, 21206682]

約数ペア:

[(1, 21206682), (2, 10603341), (3, 7068894), (6, 3534447), (7, 3029526), (9, 2356298), (14, 1514763), (18, 1178149), (21, 1009842), (42, 504921), (47, 451206), (63, 336614), (94, 225603), (126, 168307), (141, 150402), (282, 75201), (329, 64458), (423, 50134), (658, 32229), (846, 25067), (987, 21486), (1974, 10743), (2961, 7162), (3581, 5922)]