21964950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 71185920

約数和(自身を除く): 49220970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 150, 171, 175, 190, 210, 225, 266, 285, 315, 342, 350, 367, 399, 450, 475, 525, 570, 630, 665, 734, 798, 855, 950, 1050, 1101, 1197, 1330, 1425, 1575, 1710, 1835, 1995, 2202, 2394, 2569, 2850, 3150, 3303, 3325, 3670, 3990, 4275, 5138, 5505, 5985, 6606, 6650, 6973, 7707, 8550, 9175, 9975, 11010, 11970, 12845, 13946, 15414, 16515, 18350, 19950, 20919, 23121, 25690, 27525, 29925, 33030, 34865, 38535, 41838, 46242, 48811, 55050, 59850, 62757, 64225, 69730, 77070, 82575, 97622, 104595, 115605, 125514, 128450, 146433, 165150, 174325, 192675, 209190, 231210, 244055, 292866, 313785, 348650, 385350, 439299, 488110, 522975, 578025, 627570, 732165, 878598, 1045950, 1156050, 1220275, 1464330, 1568925, 2196495, 2440550, 3137850, 3660825, 4392990, 7321650, 10982475, 21964950]

約数ペア:

[(1, 21964950), (2, 10982475), (3, 7321650), (5, 4392990), (6, 3660825), (7, 3137850), (9, 2440550), (10, 2196495), (14, 1568925), (15, 1464330), (18, 1220275), (19, 1156050), (21, 1045950), (25, 878598), (30, 732165), (35, 627570), (38, 578025), (42, 522975), (45, 488110), (50, 439299), (57, 385350), (63, 348650), (70, 313785), (75, 292866), (90, 244055), (95, 231210), (105, 209190), (114, 192675), (126, 174325), (133, 165150), (150, 146433), (171, 128450), (175, 125514), (190, 115605), (210, 104595), (225, 97622), (266, 82575), (285, 77070), (315, 69730), (342, 64225), (350, 62757), (367, 59850), (399, 55050), (450, 48811), (475, 46242), (525, 41838), (570, 38535), (630, 34865), (665, 33030), (734, 29925), (798, 27525), (855, 25690), (950, 23121), (1050, 20919), (1101, 19950), (1197, 18350), (1330, 16515), (1425, 15414), (1575, 13946), (1710, 12845), (1835, 11970), (1995, 11010), (2202, 9975), (2394, 9175), (2569, 8550), (2850, 7707), (3150, 6973), (3303, 6650), (3325, 6606), (3670, 5985), (3990, 5505), (4275, 5138)]