21221976798

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:1019

約数の個数: 144

約数和(自身を含む): 51687417600

約数和(自身を除く): 30465440802

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 121, 177, 198, 239, 242, 354, 363, 478, 531, 649, 691, 717, 726, 1062, 1089, 1298, 1382, 1434, 1947, 2073, 2151, 2178, 2629, 3894, 4146, 4302, 5258, 5841, 6219, 7139, 7601, 7887, 11682, 12438, 14101, 14278, 15202, 15774, 21417, 22803, 23661, 28202, 28919, 40769, 42303, 42834, 45606, 47322, 57838, 64251, 68409, 81538, 83611, 84606, 86757, 122307, 126909, 128502, 136818, 155111, 165149, 167222, 173514, 244614, 250833, 253818, 260271, 310222, 330298, 366921, 448459, 465333, 495447, 501666, 520542, 733842, 752499, 896918, 930666, 990894, 1345377, 1395999, 1486341, 1504998, 1706221, 1816639, 2690754, 2791998, 2972682, 3412442, 3633278, 4036131, 4933049, 5118663, 5449917, 8072262, 9743791, 9866098, 10237326, 10899834, 14799147, 15355989, 16349751, 19487582, 19983029, 29231373, 29598294, 30711978, 32699502, 39966058, 44397441, 58462746, 59949087, 87694119, 88794882, 107181701, 119898174, 175388238, 179847261, 214363402, 321545103, 359694522, 643090206, 964635309, 1178998711, 1929270618, 2357997422, 3536996133, 7073992266, 10610988399, 21221976798]

約数ペア:

[(1, 21221976798), (2, 10610988399), (3, 7073992266), (6, 3536996133), (9, 2357997422), (11, 1929270618), (18, 1178998711), (22, 964635309), (33, 643090206), (59, 359694522), (66, 321545103), (99, 214363402), (118, 179847261), (121, 175388238), (177, 119898174), (198, 107181701), (239, 88794882), (242, 87694119), (354, 59949087), (363, 58462746), (478, 44397441), (531, 39966058), (649, 32699502), (691, 30711978), (717, 29598294), (726, 29231373), (1062, 19983029), (1089, 19487582), (1298, 16349751), (1382, 15355989), (1434, 14799147), (1947, 10899834), (2073, 10237326), (2151, 9866098), (2178, 9743791), (2629, 8072262), (3894, 5449917), (4146, 5118663), (4302, 4933049), (5258, 4036131), (5841, 3633278), (6219, 3412442), (7139, 2972682), (7601, 2791998), (7887, 2690754), (11682, 1816639), (12438, 1706221), (14101, 1504998), (14278, 1486341), (15202, 1395999), (15774, 1345377), (21417, 990894), (22803, 930666), (23661, 896918), (28202, 752499), (28919, 733842), (40769, 520542), (42303, 501666), (42834, 495447), (45606, 465333), (47322, 448459), (57838, 366921), (64251, 330298), (68409, 310222), (81538, 260271), (83611, 253818), (84606, 250833), (86757, 244614), (122307, 173514), (126909, 167222), (128502, 165149), (136818, 155111)]