21916591808

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{16673}}^1$

素因数の和:16774

約数の個数: 112

約数和(自身を含む): 48789457920

約数和(自身を除く): 26872866112

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 47, 64, 76, 92, 94, 152, 184, 188, 304, 368, 376, 437, 608, 736, 752, 874, 893, 1081, 1216, 1472, 1504, 1748, 1786, 2162, 3008, 3496, 3572, 4324, 6992, 7144, 8648, 13984, 14288, 16673, 17296, 20539, 27968, 28576, 33346, 34592, 41078, 57152, 66692, 69184, 82156, 133384, 164312, 266768, 316787, 328624, 383479, 533536, 633574, 657248, 766958, 783631, 1067072, 1267148, 1314496, 1533916, 1567262, 2534296, 3067832, 3134524, 5068592, 6135664, 6269048, 7286101, 10137184, 12271328, 12538096, 14572202, 14888989, 18023513, 20274368, 24542656, 25076192, 29144404, 29777978, 36047026, 50152384, 58288808, 59555956, 72094052, 116577616, 119111912, 144188104, 233155232, 238223824, 288376208, 342446747, 466310464, 476447648, 576752416, 684893494, 952895296, 1153504832, 1369786988, 2739573976, 5479147952, 10958295904, 21916591808]

約数ペア:

[(1, 21916591808), (2, 10958295904), (4, 5479147952), (8, 2739573976), (16, 1369786988), (19, 1153504832), (23, 952895296), (32, 684893494), (38, 576752416), (46, 476447648), (47, 466310464), (64, 342446747), (76, 288376208), (92, 238223824), (94, 233155232), (152, 144188104), (184, 119111912), (188, 116577616), (304, 72094052), (368, 59555956), (376, 58288808), (437, 50152384), (608, 36047026), (736, 29777978), (752, 29144404), (874, 25076192), (893, 24542656), (1081, 20274368), (1216, 18023513), (1472, 14888989), (1504, 14572202), (1748, 12538096), (1786, 12271328), (2162, 10137184), (3008, 7286101), (3496, 6269048), (3572, 6135664), (4324, 5068592), (6992, 3134524), (7144, 3067832), (8648, 2534296), (13984, 1567262), (14288, 1533916), (16673, 1314496), (17296, 1267148), (20539, 1067072), (27968, 783631), (28576, 766958), (33346, 657248), (34592, 633574), (41078, 533536), (57152, 383479), (66692, 328624), (69184, 316787), (82156, 266768), (133384, 164312)]