21490796950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{11939}}^1$

素因数の和:12134

約数の個数: 96

約数和(自身を含む): 47259475200

約数和(自身を除く): 25768678250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 139, 175, 185, 259, 278, 350, 370, 518, 695, 925, 973, 1295, 1390, 1850, 1946, 2590, 3475, 4865, 5143, 6475, 6950, 9730, 10286, 11939, 12950, 23878, 24325, 25715, 36001, 48650, 51430, 59695, 72002, 83573, 119390, 128575, 167146, 180005, 257150, 298475, 360010, 417865, 441743, 596950, 835730, 883486, 900025, 1659521, 1800050, 2089325, 2208715, 3092201, 3319042, 4178650, 4417430, 6184402, 8297605, 11043575, 11616647, 15461005, 16595210, 22087150, 23233294, 30922010, 41488025, 58083235, 61402277, 77305025, 82976050, 116166470, 122804554, 154610050, 290416175, 307011385, 429815939, 580832350, 614022770, 859631878, 1535056925, 2149079695, 3070113850, 4298159390, 10745398475, 21490796950]

約数ペア:

[(1, 21490796950), (2, 10745398475), (5, 4298159390), (7, 3070113850), (10, 2149079695), (14, 1535056925), (25, 859631878), (35, 614022770), (37, 580832350), (50, 429815939), (70, 307011385), (74, 290416175), (139, 154610050), (175, 122804554), (185, 116166470), (259, 82976050), (278, 77305025), (350, 61402277), (370, 58083235), (518, 41488025), (695, 30922010), (925, 23233294), (973, 22087150), (1295, 16595210), (1390, 15461005), (1850, 11616647), (1946, 11043575), (2590, 8297605), (3475, 6184402), (4865, 4417430), (5143, 4178650), (6475, 3319042), (6950, 3092201), (9730, 2208715), (10286, 2089325), (11939, 1800050), (12950, 1659521), (23878, 900025), (24325, 883486), (25715, 835730), (36001, 596950), (48650, 441743), (51430, 417865), (59695, 360010), (72002, 298475), (83573, 257150), (119390, 180005), (128575, 167146)]