21983850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 108

約数和(自身を含む): 68775174

約数和(自身を除く): 46791324

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 997, 1050, 1225, 1470, 1575, 1994, 2205, 2450, 2991, 3150, 3675, 4410, 4985, 5982, 6979, 7350, 8973, 9970, 11025, 13958, 14955, 17946, 20937, 22050, 24925, 29910, 34895, 41874, 44865, 48853, 49850, 62811, 69790, 74775, 89730, 97706, 104685, 125622, 146559, 149550, 174475, 209370, 224325, 244265, 293118, 314055, 348950, 439677, 448650, 488530, 523425, 628110, 732795, 879354, 1046850, 1221325, 1465590, 1570275, 2198385, 2442650, 3140550, 3663975, 4396770, 7327950, 10991925, 21983850]

約数ペア:

[(1, 21983850), (2, 10991925), (3, 7327950), (5, 4396770), (6, 3663975), (7, 3140550), (9, 2442650), (10, 2198385), (14, 1570275), (15, 1465590), (18, 1221325), (21, 1046850), (25, 879354), (30, 732795), (35, 628110), (42, 523425), (45, 488530), (49, 448650), (50, 439677), (63, 348950), (70, 314055), (75, 293118), (90, 244265), (98, 224325), (105, 209370), (126, 174475), (147, 149550), (150, 146559), (175, 125622), (210, 104685), (225, 97706), (245, 89730), (294, 74775), (315, 69790), (350, 62811), (441, 49850), (450, 48853), (490, 44865), (525, 41874), (630, 34895), (735, 29910), (882, 24925), (997, 22050), (1050, 20937), (1225, 17946), (1470, 14955), (1575, 13958), (1994, 11025), (2205, 9970), (2450, 8973), (2991, 7350), (3150, 6979), (3675, 5982), (4410, 4985)]