21418728

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21767}}^1$

素因数の和:21817

約数の個数: 32

約数和(自身を含む): 54855360

約数和(自身を除く): 33436632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21767, 43534, 65301, 87068, 130602, 174136, 261204, 522408, 892447, 1784894, 2677341, 3569788, 5354682, 7139576, 10709364, 21418728]

約数ペア:

[(1, 21418728), (2, 10709364), (3, 7139576), (4, 5354682), (6, 3569788), (8, 2677341), (12, 1784894), (24, 892447), (41, 522408), (82, 261204), (123, 174136), (164, 130602), (246, 87068), (328, 65301), (492, 43534), (984, 21767)]