21750288

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3444

約数の個数: 80

約数和(自身を含む): 67614720

約数和(自身を除く): 45864432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3407, 6384, 6814, 10221, 13628, 20442, 23849, 27256, 40884, 47698, 54512, 64733, 71547, 81768, 95396, 129466, 143094, 163536, 190792, 194199, 258932, 286188, 381584, 388398, 453131, 517864, 572376, 776796, 906262, 1035728, 1144752, 1359393, 1553592, 1812524, 2718786, 3107184, 3625048, 5437572, 7250096, 10875144, 21750288]

約数ペア:

[(1, 21750288), (2, 10875144), (3, 7250096), (4, 5437572), (6, 3625048), (7, 3107184), (8, 2718786), (12, 1812524), (14, 1553592), (16, 1359393), (19, 1144752), (21, 1035728), (24, 906262), (28, 776796), (38, 572376), (42, 517864), (48, 453131), (56, 388398), (57, 381584), (76, 286188), (84, 258932), (112, 194199), (114, 190792), (133, 163536), (152, 143094), (168, 129466), (228, 95396), (266, 81768), (304, 71547), (336, 64733), (399, 54512), (456, 47698), (532, 40884), (798, 27256), (912, 23849), (1064, 20442), (1596, 13628), (2128, 10221), (3192, 6814), (3407, 6384)]