21167309912

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^2\times {\mathrm{251}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 46769425920

約数和(自身を除く): 25602116008

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 179, 188, 251, 329, 358, 376, 502, 658, 716, 1004, 1253, 1316, 1432, 1757, 2008, 2506, 2632, 3514, 5012, 7028, 8413, 10024, 11797, 14056, 16826, 23594, 32041, 33652, 44929, 47188, 58891, 64082, 67304, 82579, 89858, 94376, 117782, 128164, 165158, 179716, 224287, 235564, 256328, 314503, 330316, 359432, 448574, 471128, 629006, 660632, 897148, 1258012, 1505927, 1794296, 2111663, 2516024, 3011854, 4223326, 6023708, 8042291, 8446652, 10541489, 12047416, 14781641, 16084582, 16893304, 21082978, 29563282, 32169164, 42165956, 56296037, 59126564, 64338328, 84331912, 112592074, 118253128, 225184148, 377987677, 450368296, 755975354, 1511950708, 2645913739, 3023901416, 5291827478, 10583654956, 21167309912]

約数ペア:

[(1, 21167309912), (2, 10583654956), (4, 5291827478), (7, 3023901416), (8, 2645913739), (14, 1511950708), (28, 755975354), (47, 450368296), (56, 377987677), (94, 225184148), (179, 118253128), (188, 112592074), (251, 84331912), (329, 64338328), (358, 59126564), (376, 56296037), (502, 42165956), (658, 32169164), (716, 29563282), (1004, 21082978), (1253, 16893304), (1316, 16084582), (1432, 14781641), (1757, 12047416), (2008, 10541489), (2506, 8446652), (2632, 8042291), (3514, 6023708), (5012, 4223326), (7028, 3011854), (8413, 2516024), (10024, 2111663), (11797, 1794296), (14056, 1505927), (16826, 1258012), (23594, 897148), (32041, 660632), (33652, 629006), (44929, 471128), (47188, 448574), (58891, 359432), (64082, 330316), (67304, 314503), (82579, 256328), (89858, 235564), (94376, 224287), (117782, 179716), (128164, 165158)]