21313364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 20417836

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 137, 178, 274, 356, 437, 548, 874, 1691, 1748, 2047, 2603, 3151, 3382, 4094, 5206, 6302, 6764, 8188, 10412, 12193, 12604, 24386, 38893, 48772, 59869, 77786, 119738, 155572, 231667, 239476, 280439, 463334, 560878, 926668, 1121756, 5328341, 10656682, 21313364]

約数ペア:

[(1, 21313364), (2, 10656682), (4, 5328341), (19, 1121756), (23, 926668), (38, 560878), (46, 463334), (76, 280439), (89, 239476), (92, 231667), (137, 155572), (178, 119738), (274, 77786), (356, 59869), (437, 48772), (548, 38893), (874, 24386), (1691, 12604), (1748, 12193), (2047, 10412), (2603, 8188), (3151, 6764), (3382, 6302), (4094, 5206)]