21466352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 44111760

約数和(自身を除く): 22645408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 241, 293, 304, 482, 586, 964, 1172, 1928, 2344, 3856, 4579, 4688, 5567, 9158, 11134, 18316, 22268, 36632, 44536, 70613, 73264, 89072, 141226, 282452, 564904, 1129808, 1341647, 2683294, 5366588, 10733176, 21466352]

約数ペア:

[(1, 21466352), (2, 10733176), (4, 5366588), (8, 2683294), (16, 1341647), (19, 1129808), (38, 564904), (76, 282452), (152, 141226), (241, 89072), (293, 73264), (304, 70613), (482, 44536), (586, 36632), (964, 22268), (1172, 18316), (1928, 11134), (2344, 9158), (3856, 5567), (4579, 4688)]