21403804928

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2492

約数の個数: 144

約数和(自身を含む): 48286409472

約数和(自身を除く): 26882604544

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 61, 64, 88, 106, 122, 128, 176, 212, 244, 256, 352, 424, 488, 583, 671, 704, 848, 976, 1166, 1342, 1408, 1696, 1952, 2332, 2351, 2684, 2816, 3233, 3392, 3904, 4664, 4702, 5368, 6466, 6784, 7808, 9328, 9404, 10736, 12932, 13568, 15616, 18656, 18808, 21472, 25861, 25864, 35563, 37312, 37616, 42944, 51722, 51728, 71126, 74624, 75232, 85888, 103444, 103456, 124603, 142252, 143411, 149248, 150464, 171776, 206888, 206912, 249206, 284504, 286822, 300928, 413776, 413824, 498412, 569008, 573644, 601856, 827552, 827648, 996824, 1138016, 1147288, 1370633, 1577521, 1655104, 1993648, 2276032, 2294576, 2741266, 3155042, 3310208, 3987296, 4552064, 4589152, 5482532, 6310084, 6620416, 7600783, 7974592, 9104128, 9178304, 10965064, 12620168, 15201566, 15949184, 18356608, 21930128, 25240336, 30403132, 31898368, 36713216, 43860256, 50480672, 60806264, 83608613, 87720512, 100961344, 121612528, 167217226, 175441024, 201922688, 243225056, 334434452, 350882048, 403845376, 486450112, 668868904, 972900224, 1337737808, 1945800448, 2675475616, 5350951232, 10701902464, 21403804928]

約数ペア:

[(1, 21403804928), (2, 10701902464), (4, 5350951232), (8, 2675475616), (11, 1945800448), (16, 1337737808), (22, 972900224), (32, 668868904), (44, 486450112), (53, 403845376), (61, 350882048), (64, 334434452), (88, 243225056), (106, 201922688), (122, 175441024), (128, 167217226), (176, 121612528), (212, 100961344), (244, 87720512), (256, 83608613), (352, 60806264), (424, 50480672), (488, 43860256), (583, 36713216), (671, 31898368), (704, 30403132), (848, 25240336), (976, 21930128), (1166, 18356608), (1342, 15949184), (1408, 15201566), (1696, 12620168), (1952, 10965064), (2332, 9178304), (2351, 9104128), (2684, 7974592), (2816, 7600783), (3233, 6620416), (3392, 6310084), (3904, 5482532), (4664, 4589152), (4702, 4552064), (5368, 3987296), (6466, 3310208), (6784, 3155042), (7808, 2741266), (9328, 2294576), (9404, 2276032), (10736, 1993648), (12932, 1655104), (13568, 1577521), (15616, 1370633), (18656, 1147288), (18808, 1138016), (21472, 996824), (25861, 827648), (25864, 827552), (35563, 601856), (37312, 573644), (37616, 569008), (42944, 498412), (51722, 413824), (51728, 413776), (71126, 300928), (74624, 286822), (75232, 284504), (85888, 249206), (103444, 206912), (103456, 206888), (124603, 171776), (142252, 150464), (143411, 149248)]