21023394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 50552832

約数和(自身を除く): 29529438

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 93, 134, 186, 201, 217, 241, 402, 434, 469, 482, 651, 723, 938, 1302, 1407, 1446, 1687, 2077, 2814, 3374, 4154, 5061, 6231, 7471, 10122, 12462, 14539, 14942, 16147, 22413, 29078, 32294, 43617, 44826, 48441, 52297, 87234, 96882, 104594, 113029, 156891, 226058, 313782, 339087, 500557, 678174, 1001114, 1501671, 3003342, 3503899, 7007798, 10511697, 21023394]

約数ペア:

[(1, 21023394), (2, 10511697), (3, 7007798), (6, 3503899), (7, 3003342), (14, 1501671), (21, 1001114), (31, 678174), (42, 500557), (62, 339087), (67, 313782), (93, 226058), (134, 156891), (186, 113029), (201, 104594), (217, 96882), (241, 87234), (402, 52297), (434, 48441), (469, 44826), (482, 43617), (651, 32294), (723, 29078), (938, 22413), (1302, 16147), (1407, 14942), (1446, 14539), (1687, 12462), (2077, 10122), (2814, 7471), (3374, 6231), (4154, 5061)]