21921746

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{503}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 41223168

約数和(自身を除く): 19301422

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 283, 503, 566, 1006, 1981, 3113, 3521, 3962, 5533, 6226, 7042, 11066, 21791, 38731, 43582, 77462, 142349, 284698, 996443, 1565839, 1992886, 3131678, 10960873, 21921746]

約数ペア:

[(1, 21921746), (2, 10960873), (7, 3131678), (11, 1992886), (14, 1565839), (22, 996443), (77, 284698), (154, 142349), (283, 77462), (503, 43582), (566, 38731), (1006, 21791), (1981, 11066), (3113, 7042), (3521, 6226), (3962, 5533)]